Read the following passage and questions, then choose the right answer from options, the answer should be one of A, B, C, D.

<passage>:
MARS CONFIDENTIAL! It went to Mars. Where was it all going? A Martian, in line for a bar in the evening, And why did the Martians stay just as dirty as ever? The answer was, the Martians stayed as dirty as ever because they Here you'll learn why Mars is called the Red Planet, the part the Mafia plays in her undoing, the rape and rapine that has made this heavenly body the cesspool of the Struck with the novelty of the thing, quite a few Martians remember other Martians they are mad at. The going price is one hundred carats But Mars was our toughest task of spectroscoping. The cab drivers fifty carats gets a Martian planted in style. Inasmuch as Martians live underground, burying is done in reverse, by amaze you—the dirtiest planet in the solar system. Beside it, the By the time we went through Mars—its canals, its caves, its Mars is presently no problem to Earth, and will not be until we have all its gold and the Martians begin asking us for loans. Meanwhile, Lait and Mortimer say let the gangsters and communists have We believe Earth would weaken itself if it dissipated its assets on This will be the story of a planet that could have been another proud which will make us secure from attack by an alien planet or it ended up, instead, foreign planets. Instead, we should heavily arm our own satellites, We have seen the futility of meddling in everyone's business on Earth. Martian National Airport, it swoops gracefully over the nearby city in the UP (United Planets) and call upon the governments of Earth not to As Mars comes closer, the visitor from Earth quickly realizes it has a However, after the sojourner lands, he discovers that Mars is not much indeed, men are pretty much the As we unfold the rates of crime, vice, sex irregularities, graft, Each day the Earth man spends on Mars makes him feel more at home talk out of the sides of their mouths and drive expensive convertibles subversives—and neither the Martian Committee for the Investigation of Crime and Vice, nor the Un-Martian Activities Committee, can dent which the Russians compete for the minds of the Neptunians Space Academy : A college where young men are trained to be Terrans, bems are natives of Mars. In science-fiction yarns written by Martians, bems are natives of Terra. According to the finest scientific thinking, a planet will is a Martian medicinal distillation, made from the milk of —a six-legged cow, seldom milked because few Martians Mars. Mars was learned that the radioactive surface of the planet made it Martian year is twice as long as ours, consequently it takes two years recorded by the press as occurring from "natural causes," the other with the greatest of ease. However, the boys soon discovered that the lighter gravity played Martian women are bags, so perhaps you had better disregard the Martian fair sex. escorted them that all Martian dames resembled Marilyn Monroe, only Earthmen looked like Martians do now, which seems to indicate that Martians, as well as Men, have their ups and downs. The citizens of the planet are apparently about halfway down the factions retire by common consent and throw a banquet at which the Martian language is unlike anything ever heard below. It would baffle the keenest linguist, if the keenest linguist ever gets to Mars. The Martian lingo seems to be somewhat similar to Chinese. It's not On the other hand, the Martian death ray guns were not fatal to the Martians in for a fifty-fifty partnership, which means they actually Never having had the great advantages of a New Deal, the Martians are The Mafistas quickly set the Martians right about the futility of gold. They eagerly turned it over to the Earthmen in exchange for The locals were completely honest. They were too dumb to be thieves. who ain't a crook, and why should Mars be any different?" The difficulty was finding the means and method of corruption. All the The first Earthman to be eliminated on Mars was a two-bit hood from Martian for a gold piece worth 94 bucks. The man from Mars bit the candy bar. The hood bit the gold piece. Then the Martian picked up a rock and beaned the lad from the Windy City. After which the Martian's eyes dilated and he let out a scream. Then he attacked the first Martian female who passed by. Never before the berserk Martian. That is how the crime trust found out that there is no sugar on Mars that this was the first time it had ever been tasted by a Martian that it acts on them like junk does on an Earthman. They further discovered that the chief source of Martian diet colored the planet red. Martians are strictly vegetarian: they bake, Though the Martians were absolutely impervious to the narcotic qualities of the aforementioned flora, they got higher than Mars on So the Mafia was in business. The Martians sniffed granulated sugar, Martians higher even than sugar, and brought larger and quicker selling it for its weight in rubies on Mars, a hood is always a hood. They've been cutting dope with sugar for years on Earth, so they didn't know how to do it any different on Mars. What to cut the sugar with on Mars? Simple. With heroin, of course, which is worthless boundaries between the nations, and Martians could roam as they corrupt the border guards, which was easy with Annie Oakleys to do : Until the arrival of the Earthmen, there were no illicit sexual relations on the planet. In fact, no Martian in his right mind would have relations with the native crop of females, and they in turn earth, went on a stand-up strike when they saw and smelled the Martians. Especially smelled. They smelled worse than Texas yahoos Considerable sums of money were invested in this human cargo, and the to Mars to deodorize the populace there. After which the ladies of the evening got off their feet and went back to work. GAMBLING : Until the arrival of the Mafia, gambling on Mars was confined to a simple game played with children's jacks. The loser had to relieve the winner of his wife. The Mafia brought up some fine gambling equipment, including the layouts from the Colonial Inn in Florida, and the Beverly in New Orleans, both of which were closed, and taught the residents how to shoot craps and play the wheel, with the house putting up sugar against precious stones and metals. With such odds, it was not necessary to fake the games more than is customary on Earth. Despite what Earth-bound professors tell you about the Martian It is a dogma that Mars has no oxygen. Baloney. While it is true that support life lavishly, though why Martians want to live after they For this reason Martian cities are built underground, and travel So the Mafia put the Martians to work building a town. There are no building materials on the planet, but the Martians are adept at making The only ones who ever get arrested, anyway, are the Martians, and Until the arrival of the Earthmen, the Martians were, as stated, Chocolate bars are as common on Mars as saloons are on Broadway, and it is not unusual to see "gone" Martians getting heaved out of these The gangsters had not been on Mars long before they heard rumors about . The boys got together in a cocktail lounge to talk this over, and they apparatus sent to Mars from Soviet Russia. planet before the arrival of the Mafia, with their domain extending the four Martian governments were either secretly party members or The Communist battle cry was: "Men of Mars unite Comes the revolution, they were told, and all Martians could remain On Earth, Russia floods the Western powers, and especially the United States, with narcotics, first to weaken them and provide easy prey, like the Communists, sells the narcotics. And so when the gangsters heard there were Communist cells on Mars, And so it was on Mars. With all the rackets cornered, the gangsters

<question>:
Humans end up corrupting Martians

<options>:
A by teaching them all about dirty politics.
B by giving them women and riches, exposing them to vices they never had before.
C with a chocolate bar initially.
D by teaching them gambling.

<answer>:

C