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

<passage>:
whose business was the hunting of whole worlds. There were thirty or more of the little girls, their ages ranging apparently from nine to eleven, all of them chirping away like a flock of chicks as they followed the old mother hen past the line of cages. "Now, now, girls," called Miss Burton cheerily. "Don't scatter. I can't keep my eye on you if you get make faces at you? Always remember to be considerate to too far away from me. You, be in a cage and have people Frances smirked at the approbation. along." They all trouped after her, Palit and Manto bringing up the rear. Manto giggled, and whispered The two men who were looking on wore pleased smiles. lots of times," she said to the a bashful grin. "Perhaps I not here. It calls attention to us. And you are not sure of the should rather say, my friends. "She's certainly a talented children. And they, if you remember, are the ones who will firmly. "Now, let's get along to the lion house. And please, Palit nodded, and the two men stepped under the shade of a the tree hid silence. Then there came from beneath the branches the chatter of girlish voices, and two little girls skipped merrily away. Miss Burton did not at children, do not make faces at first notice that now she had an "Do you think you will be able to keep your English straight?" asked one of the new little girls. The other one smiled with amusement and at first did not brood. "Come together, children, I have something to say to you. Soon it will be time to go in and around her companion and chant, "I know a secret, I know a secret." notice her. The polar bears, the grizzlies, the penguins, the reptiles, all remember her lines." "No, children, we mustn't do Carolyn giggled. "Oh, yes, she can act very well. I can act like people. She can act like animals." The laughing, girlish eyes evaded a dirty look from the little friend. "She can act like any kind of animal." "I've been to the zoo child. But she seems so shy!" girl next to her. "My father takes me." "I wish my father would take "Oh, no," said Carolyn. "She girl, with an air of wistfulness. "Why don't you ask him to?" Before the other little girl could answer, Frances paused, cocked likes to be coaxed." me too," replied the other little her head slightly, and demanded, "I'm in Miss Hassel's class." "Miss Hassel? Who is she? Is she in our school?" "I don't know," said the other little girl uncertainly. "I go to A shrill cry came from another section of her class. "Oh, Miss lost!" The other little girl was pushed forward. "Now, who are you two children and not noticing it right away. The other teacher must be frantic by now, and serve her us until we find a policeman—" She interrupted herself. "Frances, what are you giggling at now?" "It's Carolyn. She's making don't know that it's wrong to mimic people to their faces. A big girl like you, too. How old are you, Carolyn?" two—" An outburst of shrill laughter. "She's two years old, she's amount to something now? Women swoon at the sight of my face on the screen, and come to life again at the sound of my voice." "The women who swoon at you will swoon at anybody. Besides, "I like that. Don't you think I two years old!" honest, Miss Burton, I didn't mean anything, but I'm studying to be an actress, and I imitate people, like the actors you see on television—" "I feel terrified. I don't know how I'm going to face those kids. If they were boys it wouldn't be so bad, but a bunch of little girls!" "They'll grow up to be your fans, if you're still alive five "Now, children, I've warned you about that. You mustn't "Sorry. Come on, let's go." The lecture hall resounded with giggles. And beneath the giggles was a steady undercurrent of whispers, of girlish confidences exchanged, of girlish rhinoceroses, and elephants for and by some mistake, a class of boys, who also whispered to each other, in manly superiority, and pretended to find amusement in the presence of so many of the fairer sex. In this atmosphere of giggles and whispers, Manto and Palit could exchange confidences without excited as every one else is." My God, he thought, how can they keep their voices so high Now, lay off, and try to be reasonably sober, for a change." "But those kids! They'll squeal and giggle—" "They're about the only audience in the world that won't from themselves. No drinks." "Afterwards?" "I can't watch you the way a mother watches a child." The contemptuous reply sent his mind off on a new tack. "You easily at his side, an easy grin radiating from his confident, An assistant curator of some collection in the zoo, a flustered old woman, was introducing him. There were a few laudatory references woman stepped back, and he was facing his fate alone. "Children," he began. A pause, clients." He watched her move about the room, clearing away the dishes from his meager breakfast. "What are you humming, Carol?" "Was I humming?" trusting, and unreliable "I thought I recognized it— All children. Some people think of me as a child myself, because I like to hunt, and have adventures. "My subconscious doesn't know what it's talking about. All I want of you is the usual ten per to let them dress you in that hunter's outfit and photograph you as if you were shooting Screams of exultation, shrill as ever, small hands beating enthusiastically to indicate joy. those dear little kiddies with nothing inside me—" "There should be happiness inside doing a good deed. Not a drop, George, not a drop." The two little girls drew apart from the others and began to whisper into each other's ears. The whispers were punctuated by giggles which made the entire childish conversation seem quite Come up here, Carolyn, come up, Doris. Carolyn and Doris, Mr. George, are studying how to act. these children have very sharp eyes. You'd be surprised at what they see." They act people and Manto said tolerantly, "You're "I don't intend to. Some of animals. Who knows? Some day they, too, may be in the movies, just as you were at least five others like it, "What could possibly happen would be to have those sly little brats with faces magnified on "Now, what are we going to act, children?" "Please, Miss Burton," said Doris. "I don't know how to act. I can't even imitate a puppy. Really I can't, Miss Burton—" "Come, come, mustn't be shy. Your friend says that you act very nicely indeed. Can't want to "I was going to say, I'm how he felt. "They cannot possibly suspect. We have been all waiting in your lairs, ready to pounce on the unwary hunter. Crouch now, behind that chair. would be easy to escape. I could take the form of the school teacher herself, of a policeman, children. They're so exactly the kind we need. Look how inquiring they are, how unafraid, how Facing him across the platform they were, eyes glaring, manes ruffled, more terrifying than any he had seen in Africa. There were two lions, tensed as They had been speaking too loud, they had been overheard. Palit and Manto stared at each other, and giggled coyly. Then, after a second to think, Palit Frances, a dark-haired nine-year-old with a pair of glittering eyes that stared like a pair

<question>:
Why are Manto and Palit at the zoo?

<options>:
A They are lost.
B They are on a class trip.
C They are observing the animals.
D They are observing the girls.

<answer>:

D