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 Blue Behemoth By LEIGH BRACKETT Shannon's Imperial Circus was a jinxed a curtain of very blond hair that was trying hard to be red. "He says I'm kidding! With Shannon's Imperial Circus, the Greatest Show in Space, plastered so thick with attachments...." "It's no more plastered than you are." I was sore because he'd been a I've wet-nursed Shannon's Imperial Circus around the Triangle for slanting cat-eyes of the little dark people at the tables swing round toward us, pleased and kind of hungry. I had plenty of time to think how I only weigh one-thirty-seven to Shannon's one-seventy-five, and how I'm not as young as I used to be. he was a lousy bill-collecter and I felt sorry for him. Bucky Shannon settled his shoulders and hips like a dancer. The stranger was a little guy. He even made me look big. He was dressed in dark-green synthesilk, very conservative. There was a powdering of grey in his hair and his skin was pink, soft, and shaved painfully clean. He had the kind of a face that nice maiden-ladies will trust with their last dime. I looked for his strong-arm squad. quivering and showing their teeth. The Martian girl screamed. Bucky heaved the table off his lap and cursed me. "What's eating you, Jig? I'm not going to hurt him." the table. "I'm sorry about that. Mistaken identity." The little guy smiled. He did it with his lips. The rest of his face stayed placid and babyish, almost transparent. I realized with a start that it wasn't transparent at all. It was the most complete dead-pan I ever met, and you couldn't see into those innocent blue eyes any more than you could see through sheet metal. scenery—scowling, unapproachable, and tough. His hands, holding the curtains apart, had thick black hair on them and were not much larger than the hams of a Venusian swamp-rhino. Brothers, and she's much smaller than Gertrude." She was also much younger, but I didn't go into that. Gertrude may be a little creaky, but she's still pretty impressive. I only hoped she It was pretty late when we got back to the broken-down spaceport where Shannon's Imperial Circus was crouching beneath its attachments. Late as it was, they were waiting for us. About twenty of them, sitting around and smoking and looking very ugly. It was awfully lonesome out there, with the desert cold and restless passageways and drooling over the thought of steer and toppings. Bucky Shannon regarded them possessively, wiping blood from his nose. the long passageway between the rows of cages and glassed-in tanks and compression units. Our footsteps sounded loud and empty on the iron floor. I wasn't near as happy as Shannon, and my skin began to crawl a little. It's the smell, I think rank and sour and wild. And the sound of them, breathing and rustling in the dark, with the patient hatred walled around them as strong as the cage bars. could think of, and I couldn't hear myself doing it. Presently a great metallic clash nearly burst my eardrums, and the beasts shut up. Gow had them nicely conditioned to that gong. But they didn't quiet down. Not really. They were uneasy. You can feel them inside you when they're uneasy. I think that's why I'm scared of them. They make me feel like I'm not human as I thought—like I wanted to put my back-hair up and snarl. Yeah. They were uneasy that night, all of a sudden.... "That's tough," said Bucky Shannon. His grey-green eyes looked like an owl's. He swayed slightly. "That's sure tough." He sniffled. some place between a dinosaur and a grizzly bear, with maybe a little bird blood thrown in. Anyway, she's big. I couldn't help feeling sorry for her. She was crouched in the cage with her hands—yeah, hands—hanging over her knees and her snaky head The lantern light was yellow on her blue-black skin, but it made the mane, or crest, of coarse wide scales that ran from between her eyes clear down to her flat, short tail, burn all colors. She looked like old Mother Misery herself, from way back before time began. close, the screech was deafening, and it turned me all limp and cold inside. The loneliness, the sheer stark, simple pain.... and everybody thought she was too hurt to live, I saved her. I know her. I can do things with her. But this time...." He shrugged. He was huge and tough and ugly, and his voice was like a woman's talking about a sick child. high and black over us. It was still. The secret, uneasy motion all around us and the scruffing of our feet only made it stiller. and heavy. The noise burst suddenly in a deafening hell of moans and roars and shrieks, packed in tight by the metal walls, and above it all I could hear Gertrude's lonely, whistling scream. little brown face was crinkled with laughter. He'd lost most of his teeth, and he gummed thak like a disaster hoping to happen. To make it worse, Zurt the Jovian strong-man got hurt during the take-off, and the Mercurian cave-cat had kittens. Nobody would have minded that, only one of 'em had only four legs. It lived just long enough to scare that bunch of superstitious dopes out of their pants. Circus people are funny that way. bunch of ratty-looking plastic shacks huddling together in the middle of it. Men in slickers were coming out for a look. standing in the mud with her arms up and her head thrown back, and her triangular mouth open like a thirsty dog. She didn't have anything on but her blue-green, hard scaled hide, and she was chuckling. It didn't sound nice. You find a lot of Nahali people in side-shows, doing tricks with the electric power they carry in their own bodies. They're Venusian middle-swampers, they're not human, and they never forget it. Ahra opened her slitted red eyes and looked at me and laughed with white reptilian teeth. "Death," she whispered. "Death and trouble. The jungle tells me. I can smell it in the swamp wind." They are angry, and I smell death in the wind!" She turned away, laughing, and I cursed her, and my stomach was tight We started to run. The crowd, mostly big unshaken miners, wheeled around to see what was happening. People began to close in on the man who crawled and whimpered in the mud. carnivals. He'd given us good deals a couple of times, when we weren't only caught a glimpse of the man's face as he straightened up. I didn't realize until later that he looked familiar. of his face had gone slack and his eyes were bloodshot. He was covered with mud, and his mouth twitched like a sick old man's. Kapper's face was horrible. I felt sick, listening to him fight for air. I wanted to go for a doctor anyway, but somehow I knew it was no I began to notice something, then. There were quite a lot of men in the place. At first glance they looked okay—a hard-faced, muscular bunch of miners in dirty shirts and high boots. Then I looked at their hands. They were dirty enough. But they never " Selak ," said a voice in my ear. "As if you didn't know."

<question>:
What did the Nahali people do in side-shows as their talent?

<options>:
A Performed with the dangerous Vapor snakes
B Performed tricks with the electric power the held in their bodies
C Swallowed electricty and performed with currents
D Their appearance alone was their performance, as they had triangular mouths and scaled hides

<answer>:

B