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

<passage>:
individuals but immutable as have no manners—but what do you expect, when they used to be men! Kolin sensed a lack of direct attention. The rustle All obscure star, the undetermined damage to the small planet's murky atmosphere defied precision scanners—the pilot made a reasonably good landing. Despite snapped out of it and heard, I'm as good as re-personalized Peter Kolin had to admit that casualties might have been search by hiding where he was or going back to bluff his little command, less two third-class ration keepers thought to have been trapped far worse. of orders as he glared at the rocky ridges surrounding the landing place. "I don't know," said Kolin. "The penalty for desertion—" "Whoosh! Who'd find you? You could be a bird, a tree, inconspicuous. Silenced but doubting, Kolin "Since the crew will be on on parade. Kolin made himself emergency watches repairing might most easily escape the notice of search parties and still be tough enough to live a long time without renewal. useful to discover temporary thought Kolin rebelliously. his musings: mere hope of escape was unsatisfying after sources in this area of natural foods." his fuming hatred for Haurtoz. Another factor slipped into the outburst that had defined peace with the Earth colonies. You know why they don't?" "Why?" wheezed Ashlew. "They're scared that without was likely to result in a siege of treatment that left the subject talk of war, and scouting Kolin had heard of instances wherein mere unenthusiastic posture had betrayed intentions to harbor have to live and who's running things in the Planetary State. Then the gravy train for Earth fleets that never suitably "re-personalized." one person in to report, and he will be replaced by one of the five I shall keep here to issue rations." Kolin permitted himself to wonder when anyone might get some rest, but assumed a mildly willing look. (Too eager an attitude could arouse suspicion of disguising an improper the ration crate turned up to serve him as a field desk. He scowled in turn, impartially, at his watch and at the weary stewards of his headquarters Kolin found himself in a detail. The latter stumbled small packets of emergency rations. The line of crewmen released temporarily from repair Since the crew would be eating packaged rations during repairs, Yrtok could be spared to command a scout detail. work was transient as to powdered foods storekeeper. rations could hardly, in an emergency, give even the appearance of favoring themselves in regard to food. They would go without. Kolin maintained a standard expression that the keepers of It was tenuous, almost a haze. Close examination would have revealed it to be that he failed to notice as the Chief's sharp bushes Kolin's party had followed, and Kolin brought staggering flunkies, stealing a few seconds of relaxation on the pretext of dumping an armful of light plastic packing, wandered into the haze. After a few heartbeats, he dropped the trash and stared at ship and men as if he had Kolin shared their sense of isolation. They would be out of sight of authority and responsible for their own actions. momentarily before descending. known as Peter Kolin congratulated For all Kolin could tell, he Especially, it was unable to insinuate any part of itself plentiful, interspersed with scrubby thickets of tangled, the body of Chief Slichow at that very instant. There are not enough men thought Kolin. spores. "Be a job to find anything edible here," grunted Ammet, and Kolin agreed. Finally, after a longer hike the damage," announced the than he had anticipated, they and the return to Haurtoz passed like weeks to some of purple berries glistening dangerously on a low shrub. Kolin the crew but like brief moments deceptively distant forest. Yrtok paused to examine some Peace State even a cloud." and the waiting team of inspecting section for preliminary scouting, officers. "Could hardly be better, "Hardly, sir. All ready for the liberation of Haurtoz." as is suitable. It may be END Transcriber's Note: Kolin looked over his shoulder. Fifty meters away, Ammet sat beside the bush with the purple berries, utterly relaxed. "He must have tasted some!" exclaimed Kolin. "I'll see how he is." He ran back to the cook and him a doped appearance. Kolin trouble attracting her attention. Then he noticed that she was kneeling. "Hope she didn't eat some stupid thing too!" he grumbled, trotting back. of greenish fur. All Kolin saw was that it had several legs too many. dreamily, Kolin backed away. glanced warily about, but nothing appeared to threaten him. "It's time to end this scout," he told himself. "It's dangerous. One good look and I'm jetting off! What I need is At first, Kolin saw no way, clinging to the rugged trunk "I should have brought Yrtok's radio," he muttered. "Oh, well, I can take it when I come down, if she hasn't snapped out of her spell by then. Funny … I wonder if Kolin progressed rapidly. Earth, but many of the home world's less kindly techniques had been employed. Lack of Kolin, slipping, grabbed His fingers clutched a handful complete loyalty to the state of twigs and leaves, which "Careful, there!" whooshed the eerie voice. "It took me all summer to grow those!" Kolin could feel the skin Kolin looked about, seeing told himself in a reasonable tone. "It's bad enough that the other two passed out without me going space happy too." "What's your hurry?" demanded Kolin examined the bark of Haurtoz." "Where's that? Oh, never "You will scout in five details don't bother with them all, since I came here and found out I could be anything I of three persons each," mind—some little planet. I Kolin, testing the firmness of Chief Slichow said. "Every hour, each detail will send of the tree trunk. "And, if I do have to remind you, it and when I remembered how long some of them live, moment. Kolin felt the asked Kolin, twisting about in an effort to see what the higher branches might hide. "Nope. Most everything Kolin politely. He groped for can't get through to him Kolin braced himself securely to stretch tiring muscles. "Maybe I'd better stay a while," he muttered. "I don't know where I am." State were to survive the hostile plots of Earth and "No?" " that landed with me wanted to get around and see things. Lots changed to animals or birds. One even stayed a man—on the outside anyway. Most of them have to change as the bodies wear out, which I don't, and some made bad mistakes tryin' to be things "There's just one thing. The Life don't like taking chances on word about this place gettin' around. It sorta You might not get back to your ship in any form that "Listen!" Kolin blurted out. "I wasn't so much enjoying being what I was that getting back matters to me!" "Don't like your home planet, whatever the name was?" "Haurtoz. It's a rotten have to think and even look the way that's standard thirty hours a day, asleep or awake. You get scared to sleep for fear you might dream treason and they'd find about, stacking and distributing Suddenly, Kolin found himself telling the tree about life on Haurtoz, and of the officially announced threats to expansion. He dwelt upon the desperation of having no place to hide in case of trouble with the authorities. A Kolin heard opinions spouting out which he had prudently kept bottled up for

<question>:
Why is Kolin so worried about the purple berries?

<options>:
A He expected them to be a different color.
B They may have had adverse effects on his crewmates' mental state.
C The cook thinks that they are dangerous to eat.
D If they are not edible, they will not have any food to bring back with their report.

<answer>:

B