input: Text: THE SPICY SOUND OF SUCCESS By JIM HARMON Illustrated by DICK FRANCIS Now was the captain's chance to prove he knew less than the crew—all their lives hung upon it! There was nothing showing on the video screen. That was why we were looking at it so analytically. "Transphasia, that's what it is," Ordinary Spaceman Quade stated with a definite thrust of his angular jaw in my direction. "You can take my word on that, Captain Gavin." "Can't," I told him. "I can't trust your opinion. I can't trust anything. That's why I'm Captain." "You'll get over feeling like that." "I know. Then I'll become First Officer." "But look at that screen, sir," Quade said with an emphatic swing of his scarred arm. "I've seen blank scanning like that before and you haven't—it's your first trip. This always means transphasia—cortex dissolution, motor area feedback, the Aitchell Effect—call it anything you like, it's still transphasia." "I know what transphasia is," I said moderately. "It means an electrogravitational disturbance of incoming sense data, rechanneling it to the wrong receptive areas. Besides the human brain, it also effects electronic equipment, like radar and television." "Obviously." Quade glanced disgustedly at the screen. "Too obvious. This time it might not be a familiar condition of many planetary gravitational fields. On this planet, that blank kinescope may mean our Big Brother kites were knocked down by hostile natives." "You are plain wrong, Captain. Traditionally, alien races never interfere with our explorations. Generally, they are so alien to us they can't even recognize our existence." I drew myself up to my full height—and noticed in irritation
  Question: Why was it his first trip as Captain?
  
   (A) He used to be First Officer
   (B) He used to work with gemstones
   (C) He used to be an Ordinary Spaceman
   (D) He used to work as an officer on Earth
  Answer:
output: He used to work with gemstones