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

<passage>:
THE FROZEN PLANET With this." to courier duty, but this is an unusual mission." awkward, Magnan went on. "There are four planets in the group," he said. "Two double planets, called Jorgensen's Worlds, and in themselves are of no importance whatever. However, they lie deep in the sector into which the Soetti "Now—" Magnan leaned forward and lowered his voice—"we have learned opposition so far in their infiltration of Terrestrial space, they intend to seize Jorgensen's Worlds by force." "This is open aggression, Retief," he said, "in case I haven't made myself clear. Aggression on Terrestrial-occupied territory by an alien species. Obviously, we can't allow it." Jorgensen's Worlds are technologically undeveloped areas. They're farmers or traders. Their industry is limited to a minor role in their economy—enough to support the merchant fleet, no more. The war potential, by conventional standards, is nil." Magnan tapped the folder before him. "I have here," he said solemnly, "information which will change that Terrestrials who've been advising the Soetti." He folded another finger. "Next, a battle plan for the Jorgensen's people, worked out by Top Secret schematic for conversion of a standard anti-acceleration Magnan looked at the fingers and put them away. information could be catastrophic. You'll memorize it before you leave this building." "Well," he said. "If it's trapped for destruction, I suppose—" "I've heard of these Jorgensen's Worlds," Retief said. "I remember an "Umm," Magnan said. "Don't make the error of personalizing this backwater worlds. Otherwise the Corps would allow history to follow its "That doesn't leave me much time." "I have your itinerary here. Your accommodations are clear as far as Magnan looked sour. "Someone at a policy-making level has chosen to put Jorgensens can handle it very nicely some sort." Retief opened the envelope Magnan handed him and looked at the tickets inside. "Less than four hours to departure time," he said. "I'd better not start any long books." "You'd better waste no time getting over to Indoctrination," Magnan "The allusion escapes me," Magnan said coldly. "And one last word. The Soetti are patrolling the trade lanes into Jorgensen's Worlds "You'll be traveling with Class X credentials," Magnan snapped. "There must be nothing to connect you with the Corps." out a needler, is there?" Magnan looked up. "I suppose not. What do you want with it?" II "ALDO CERISE—INTERPLANETARY." A thin clerk in a faded sequined blouse "Two twenty-eight, due out today for the Jorgensen group," Retief said. "Like it says there," he said, jerking a thumb at the board. "Lifts in "Some ... ah ... VIP's required accommodation," he said. He hooked a finger inside the sequined collar. "All tourist reservations were canceled. You'll have to try to get space on the Four-Planet Line ship next—" "Which gate?" Retief said. "For ... ah...?" "For the two twenty-eight for Jorgensen's Worlds," Retief said. "Well," the clerk said. "Gate 19," he added quickly. "But—" "Whassat?" "Somebody in the cabin. Get 'em out." He rolled a cold eye at Retief as door. Retief looked up. A gaunt leathery-skinned man wearing white ducks, a "take a look at Section Three, Paragraph One, of the Uniform Code. That spells out the law on confirmed space on vessels engaged in interplanetary commerce." "A space lawyer." The captain turned. "Throw him out, boys." "We're due to lift in twenty minutes." The thick-necked man and the Captain both shouted at once. The Captain's voice prevailed. "Close the door as you leave," Retief said. glass. "Here's to you." Jorgensen's Worlds. Then, if Magnan's information was correct, temptation to scan the tapes built into the handle of his suitcase. It would be good to know what Jorgensen's Worlds would be up against. coffee. Most of the other passengers had left the dining room. Mr. Tony and his retainers still sat at the Captain's table. "You must want to get to Jorgensen's pretty bad," the thug said in a "Shut up," Mr. Tony said. "Put it away, Hoany. We'll fix this bum later." "Not on this vessel, you won't," the captain said shakily. "I got my charter to consider." "Ram your charter," Hoany said harshly. "You won't be needing it long." those long days." "They don't like me bringing yer meals to you in yer cabin," Chip said. "Sure. What have they got against my going to Jorgensen's Worlds?" "Dunno. Hasn't been no tourists got in there fer six or eight months. I sure like a feller that can put it away. I was a big eater when I was yer age." "I'll bet you can still handle it, Old Timer. What are Jorgensen's Worlds like?" "One of 'em's cold as hell and three of 'em's colder. Most o' the aboard for Jorgensen's?" "Derned if I know. In and out o' there like a grasshopper, ever few weeks. Don't never pick up no cargo. No tourists any more, like I says. Don't know what we even run in there for." "Where are the passengers we have aboard headed?" "To Alabaster. That's nine days' run in-sector from Jorgensen's. You lobster rubbery lookin' head. You can see the pulse beatin' when they get riled." out. Act like they was the Customs Patrol or somethin'." "I ain't superstitious ner nothin'," Chip said. "But I'll be triple-damned if that ain't them boarding us now." "Captain, tell your friend to keep its distance. It looks brittle, and aboard, don't bother to call." "Jesus, what did you do! They'll kill us!" the captain gasped, staring at the figure flopping on the floor. the word. No more illegal entry and search of Terrestrial vessels in Terrestrial space." "They won't need it. Tell 'em to sheer off their fun is over." "They got no more emotions than a blue crab—" We know their secret now." goons. You hit 'em where they live, that time. They're pals o' these they won't try nothin' close to port." "Don't worry, Chip. I have reason to be pretty sure they won't do "You want to get to Jorgensen's perty bad, don't you, Mister?" "A 2mm needler. Why?" by-passin' Jorgensen's Worlds. We'll feel the course change any minute." comes down the passage?" "What do you think you're doing, busting in here?" "I think we'd better call in at Jorgensen's." just hold your course for Jorgensen's." "You're a cheapjack who's sold his bridge to a pack of back-alley hoods." "You can't put it over, hick." "It's eighteen hours yet before we pick up Jorgensen Control. You going he's slippery." "What are you going to do?" the captain demanded. stay here and help you hold your course for Jorgensen's Worlds."

<question>:
What can be inferred from the passage about Jorgensen's Worlds?

<options>:
A It's difficult to locate and makes travel rather uncommon
B Tourists are no longer welcome and travel has been halted.
C It's existence is only known as top-secret so there is no information about it.
D Ships are unable to land due to too many tourists

<answer>:

B