input: Text: The Monster Maker By RAY BRADBURY "Get Gunther," the official orders read. It was to laugh! For Click and Irish were marooned on the pirate's asteroid—their only weapons a single gun and a news-reel camera. Suddenly, it was there. There wasn't time to blink or speak or get scared. Click Hathaway's camera was loaded and he stood there listening to it rack-spin film between his fingers, and he knew he was getting a damned sweet picture of everything that was happening. The picture of Marnagan hunched huge over the control-console, wrenching levers, jamming studs with freckled fists. And out in the dark of the fore-part there was space and a star-sprinkling and this meteor coming like blazing fury. Click Hathaway felt the ship move under him like a sensitive animal's skin. And then the meteor hit. It made a spiked fist and knocked the rear-jets flat, and the ship spun like a cosmic merry-go-round. There was plenty of noise. Too damned much. Hathaway only knew he was picked up and hurled against a lever-bank, and that Marnagan wasn't long in following, swearing loud words. Click remembered hanging on to his camera and gritting to keep holding it. What a sweet shot that had been of the meteor! A sweeter one still of Marnagan beating hell out of the controls and keeping his words to himself until just now. It got quiet. It got so quiet you could almost hear the asteroids rushing up, cold, blue and hard. You could hear your heart kicking a tom-tom between your sick stomach and your empty lungs. Stars, asteroids revolved. Click grabbed Marnagan because he was the nearest thing, and held on. You came hunting for
  Question: Why didn’t the proton gun hurt the monsters?
  
   (A) The monsters ran too fast.
   (B) The proton gun was damaged in the crash.
   (C) The monsters had thick, resistant skin.
   (D) Irish wanted to negotiate a peace.
  Answer:
output: The monsters had thick, resistant skin.