input: Text: SPACEMAN ON A SPREE BY MACK REYNOLDS Illustrated by Nodel What's more important—Man's conquest of space, or one spaceman's life? I They gave him a gold watch. It was meant to be symbolical, of course. In the old tradition. It was in the way of an antique, being one of the timepieces made generations past in the Alpine area of Eur-Asia. Its quaintness lay in the fact that it was wound, not electronically by power-radio, but by the actual physical movements of the bearer, a free swinging rotor keeping the mainspring at a constant tension. They also had a banquet for him, complete with speeches by such bigwigs of the Department of Space Exploration as Academician Lofting Gubelin and Doctor Hans Girard-Perregaux. There was also somebody from the government who spoke, but he was one of those who were pseudo-elected and didn't know much about the field of space travel nor the significance of Seymour Pond's retirement. Si didn't bother to remember his name. He only wondered vaguely why the cloddy had turned up at all. In common with recipients of gold watches of a score of generations before him, Si Pond would have preferred something a bit more tangible in the way of reward, such as a few shares of Variable Basic to add to his portfolio. But that, he supposed, was asking too much. The fact of the matter was, Si knew that his retiring had set them back. They hadn't figured he had enough shares of Basic to see him through decently. Well, possibly he didn't, given their standards. But Space Pilot Seymour Pond didn't have their standards. He'd had plenty of time to
  Question: What is the “space cafard” that Si describes? 
  
   (A) It’s the isolation that spacemen feel working alone in space, with only computers as company
   (B) It’s the public’s adverse opinion of space exploration that Gubelin tries to hide.
   (C) It’s the desire to return home from a long voyage.
   (D) It is the current system of operations for spacecraft, where people man ships with only one person.
  Answer:
output: It’s the isolation that spacemen feel working alone in space, with only computers as company