input: Text: COSMIC YO-YO By ROSS ROCKLYNNE "Want an asteroid in your backyard? We supply cheap. Trouble also handled without charge." Interplanetary Hauling Company. (ADVT.) Bob Parker, looking through the photo-amplifiers at the wedge-shaped asteroid, was plainly flabbergasted. Not in his wildest imaginings had he thought they would actually find what they were looking for. "Cut the drive!" he yelled at Queazy. "I've got it, right on the nose. Queazy, my boy, can you imagine it? We're in the dough. Not only that, we're rich! Come here!" Queazy discharged their tremendous inertia into the motive-tubes in such a manner that the big, powerful ship was moving at the same rate as the asteroid below—47.05 miles per second. He came slogging back excitedly, put his eyes to the eyepiece. He gasped, and his big body shook with joyful ejaculations. "She checks down to the last dimension," Bob chortled, working with slide-rule and logarithm tables. "Now all we have to do is find out if she's made of tungsten, iron, quartz crystals, and cinnabar! But there couldn't be two asteroids of that shape anywhere else in the Belt, so this has to be it!" He jerked a badly crumpled ethergram from his pocket, smoothed it out, and thumbed his nose at the signature. "Whee! Mr. Andrew S. Burnside, you owe us five hundred and fifty thousand dollars!" Quea
  Question: Why are Quezy and Bob pressed for time? 
  
   (A) They don't want their competitors getting to the asteroid before them and missing out on the profit. 
   (B) The Saylor Brothers have been chasing them, and they know they're on their way to the same asteroid. 
   (C) They need to fulfill Burnside's requests quickly in order to make a profit. 
   (D) Hauling asteroids is dangerous work, and the quicker they get it done the better. 
  Answer:
output: They need to fulfill Burnside's requests quickly in order to make a profit.