input: Text: The Blue Behemoth By LEIGH BRACKETT Shannon's Imperial Circus was a jinxed space-carny leased for a mysterious tour of the inner worlds. It made a one-night pitch on a Venusian swamp-town—to find that death stalked it from the jungle in a tiny ball of flame. Bucky Shannon leaned forward across the little hexagonal table. He knocked over the pitcher of thil, but it didn't matter. The pitcher was empty. He jabbed me in the breastbone with his forefinger, not very hard. Not hard enough to jar the ribs clean loose, just enough to spring them. "We," he said, "are broke. We are finished, through. Washed up and down the drain." He added, as an afterthought, "Destitute." I looked at him. I said sourly, "You're kidding!" "Kidding." Shannon put his elbows on the table and peered at me through 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 lot quicker grabbing the pitcher. "The Greatest Show in Space. Phooey! I've wet-nursed Shannon's Imperial Circus around the Triangle for eleven years, and I know. It's lousy, it's mangy, it's broken-down! Nothing works, from the ship to the roustabouts. In short, it stinks!" I must
  Question: Why does Shannon reach for his gun when Beamish introduces himself?
  
   (A) The sound of the chair being pulled back sets him on high alert. 
  
   (B) He sees that Beamish has something in his hands. 
  
   (C) Shannon is prone to suspicion after being hunted down by people they owe money to, and thinks Beamish is one of them. 
   (D) Beamish tells them he's there to collect money from them. 
  Answer:
output: Shannon is prone to suspicion after being hunted down by people they owe money to, and thinks Beamish is one of them.