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

<passage>:
Getting specimens for the interstellar zoo It was our first day of recruiting on the planet, and the alien in front of me. I peered between them to size the crop up. The aliens came in every shape and form, in all colors and textures—and all of them eager for a Corrigan contract. The Galaxy is full of bizarre beings, but there's barely a species anywhere that can resist the old exhibitionist urge. sign plastered to a facing wall: WANTED—EXTRATERRESTRIALS! We had Want to visit Earth—see the Galaxy's most glittering and exclusive world? Want to draw good pay, work short hours, experience the thrills of show business on romantic Terra? If you are a non-terrestrial, there may be a place for you in the Corrigan Institute of Morphological Science. No freaks wanted—normal beings only. J. F. Corrigan will hold interviews in person on Ghryne from Thirdday to Fifthday of Tenmonth. His last visit to the Caledonia Cluster until 2937, so don't miss your chance! Hurry! A life of wonder and riches can be yours! Broadsides like that, distributed wholesale in half a thousand languages, always bring them running. And the Corrigan Institute really packs in the crowds back on Earth. Why not? It's the best of its kind, the only really decent place where Earthmen can get a gander at the other species of the universe. one above each arm. Plus a big, gaping, toothless mouth. His voice was a surprisingly resounding basso. "You are Mr. Corrigan?" "That's right." I reached for a data blank. "Before we begin, I'll need certain information about—" remaining in place. On his world, that gesture is the equivalent of The little Regulan was as good as hired. Only the formalities remained. "You understand our terms, Mr. Fitzgerald?" "I'll be placed on exhibition at your Institute on Earth. You'll pay for my services, transportation and expenses. I'll be required to remain on exhibit no more than one-third of each Terran sidereal day." "And the pay will be—ah—$50 Galactic a week, plus expenses and transportation." on one side, two on the other. "Wonderful! I will see Earth at last! I didn't mean we had to be extravagant in hiring him. A Terraphile alien followed by a roly-poly blue-skinned humanoid from Donovan's Planet, figured to pick up plenty of new exhibits here and we were right. It was the isolationism of the late 29th century that turned me into the successful proprietor of Corrigan's Institute, after some years as an impoverished carnival man in the Betelgeuse system. Back in a non-terrestrial could only get onto Sol III as a specimen in a scientific collection—in short, as an exhibit in a zoo. That's what the Corrigan Institute of Morphological Science really is, of course. A zoo. But we don't go out and hunt for our specimens advertise and they come flocking to us. Every alien wants to see Earth before this trip, representing 298 different intelligent life-forms. Ghrynian agent. A Vegan would be a top-flight attraction, being some though he was clean and reasonably well dressed, he had a shabby look about him. He said, in level Terran accents, "I'm looking for a job with your outfit, Corrigan." "There's been a mistake. We're interested in non-terrestrials only." "I'm a non-terrestrial. My name is Ildwar Gorb, of the planet Wazzenazz happen to be a representative of the only Earthlike race that exists and little-known planet in the Crab Nebula. Through an evolutionary circus?" "No. And it's not a circus. It's—" "A scientific institute. I stand corrected." from Earth, stranded here and out of cash. You want a free trip back to Earth. No deal. The demand for beings from Wazzenazz XIII is pretty low hitherto utterly unknown race identical to humanity in every respect! Look here, examine my teeth. Absolutely like human teeth! And—" I pulled away from his yawning mouth. "Good-by, Mr. Gorb," I repeated. "All I ask is a contract, Corrigan. It isn't much. I'll be a big attraction. I'll—" " He glowered at me reproachfully for a moment, stood up and sauntered to the door. "I thought you were a man of acumen, Corrigan. Well, think it over. Maybe you'll regret your hastiness. I'll be back to give you This was the best con switch yet—an Earthman posing as an alien to get only one human race in the Galaxy—on Earth. I was going to need some "You will grant me a contract!" Institute. And we're not currently in need of any Kallerian males, because—" "You will hire me or trouble I will make!" Earth, enroll a Gursdrinn, or the consequences will be terrible!" as a vacancy—" "No. You will hire me now." the chance that, by picking a given member of a race, we're insulting "I'm sorry, Mr. Corrigan. I lost sight of this one for a moment, and he came running in—" "Please, please," squeaked the little alien pitifully. "I must see you, "It isn't his turn in line," Stebbins protested. "There are at least The alien was a pathetic sight: a Stortulian, a squirrely-looking Earth!" "Yes, yes!" wailed the Stortulian. "Find some other member of my race, on the subject of bringing alien life to Earth. It has to be for "Then you will refuse me?" scientific interest, and the World Government will deport the undesirable alien back to its home world. But I wouldn't pull a low is lost. I will never see my soulmate again. Good day, Earthman." tell you that I am Earthborn, and that I'm looking for a job on your staff." "I don't care your story is! Get out or—" "—you'll have me thrown out. Okay, okay. Just give me half a second. Corrigan, you're no fool, and neither am I—but that fellow of yours outside is . He doesn't know how to handle alien beings. How many "You see? He's incompetent. Suppose you fire him, take me on instead. I've been living in the outworlds half my life I know all there is to know about alien life-forms. You can use me, Corrigan." I took a deep breath and glanced all around the paneled ceiling of the office before I spoke. "Listen, Gorb, or whatever your name is, me. But get this: I just want to finish off my recruiting, pack up and go home to Earth. I don't want you hanging around here bothering me. I'm not looking to hire new staff members, and if you switch back to claiming you're an unknown life-form from Wazzenazz XIII, the answer is death of a life-form! Suffer, Earthborn ape! Suffer!" flew open again and three sleek reptilian beings entered, garbed in the at the figure on the floor, then came to rest on me. "You are J. F. Corrigan?" the leader asked. "Y-yes." "We have received word of a complaint against you. Said complaint He helped me up. "Sorry to have had to tackle you, Corrigan. But that Stortulian wasn't here to commit suicide, you see. He was out to get struggling little alien in an unbreakable tanglemesh. "These aliens. Big blustery Heraal came in with murder in his eye and

<question>:
What are the aliens in line hoping will happen?

<options>:
A that they will get paid to work at a zoo on their home planet
B their talent will win them a trip to Earth
C that they will be able to pay for a chance to see Earth
D that they will get to work for the Corrigan Institute

<answer>:

D