input: Text: <unk>!-- $Id: header.txt 236 2009-12-07 18:57:00Z vlsimpson $ --> WHEN THE MOUNTAIN SHOOK By Robert Abernathy Illustrated by Kelly Freas [Transcriber Note: This etext was produced from IF Worlds of Science Fiction March 1954. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] Dark was the Ryzga mountain and forbidding; steep were its cliffs and sheer its crevasses. But its outward perils could not compare with the Ryzgas themselves, who slept within, ready to wake and conquer.... At sunset they were in sight of the Ryzga mountain. Strangely it towered among the cliffs and snow-slopes of the surrounding ranges: an immense and repellently geometric cone, black, its sides blood-tinted by the dying sun. Neena shivered, even though the surrounding cold could not reach her. The ice-wind blew from the glacier, but Var's love was round her as a warming cloak, a cloak that glowed softly golden in the deepening twilight, even as her love was about him. Var said, "The Watcher's cave should be three miles beyond this pass." He stood rigid, trying to catch an echo of the Watcher's thoughts, but there was nothing. Perhaps the old man was resting. From the other direction, the long way that they two had come, it was not difficult to sense the thought of Groz
  Question: Which lingering effect of the Ryzgas' downfall makes life challenging for people like Var and Neena?
  
   (A) The Ryzgas littered the planet with wreckage of their old creations, which renders it inhabitable
   (B) The Ryzgas destroyed or used up all of their materials, so Var and Neena's people can only construct things with their dreams
   (C) The Ryzgas manipulate the entire planet through their Control Center, so all outcomes are predestined
   (D) The Ryzgas toxified the environment, which has caused a genetic mutation among their descendants
  Answer:<extra_id_0>.
output: <extra_id_0> The Ryzgas destroyed or used up all of their materials, so Var and Neena's people can only construct things with their dreams<extra_id_1>