input: Text: SECOND LANDING By FLOYD WALLACE A gentle fancy for the Christmas Season—an oft-told tale with a wistful twistful of Something that left the Earth with a wing and a prayer. Earth was so far away that it wasn't visible. Even the sun was only a twinkle. But this vast distance did not mean that isolation could endure forever. Instruments within the ship intercepted radio broadcasts and, within the hour, early TV signals. Machines compiled dictionaries and grammars and began translating the major languages. The history of the planet was tabulated as facts became available. The course of the ship changed slightly; it was not much out of the way to swing nearer Earth. For days the two within the ship listened and watched with little comment. They had to decide soon. "We've got to make or break," said the first alien. "You know what I'm in favor of," said the second. "I can guess," said Ethaniel, who had spoken first. "The place is a complete mess. They've never done anything except fight each other—and invent better weapons." "It's not what they've done," said Bal, the second alien. "It's what they're going to do, with that big bomb." "The more reason for stopping," said Ethaniel. "The big bomb can destroy them. Without our help they may do just that." "I may remind you that in two months twenty-nine days we're due in Willafours," said Bal. "Without looking at the charts I can tell you we still have more than a hundred light-years to go." "A week
  Question: Why does it take the aliens so long to make a decision about what to do?
  
   (A) They do not know if it is worth the time to learn a human language to try to convince the humans to maintain peace.
   (B) They are cautious because they do not want to get hit by a missile or bomb.
   (C) The aliens do not actually want to help, but are required to, so they are hesitant to make a move.
   (D) They cannot decide if they have time to make a difference before they have to be somewhere else.
  Answer:<extra_id_0>
output: <extra_id_0> They cannot decide if they have time to make a difference before they have to be somewhere else.<extra_id_1>