In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

[EX Q]: Unlike trees in the forest or a pond full of fish, metal is only available until (A) it is depleted for good (B) it is found on catfish scales (C) it becomes necessary to conduct electricity long distances (D) it is used to make diamond rings
[EX A]: A

[EX Q]: every four seasons a cedar expands it's (A) lung capacity (B) sight (C) vocal range (D) outer covering
[EX A]: D

[EX Q]: A small dish that is in space will do this as it nears an enormous mass. (A) be blown up (B) be yanked in (C) be pushed away (D) be evaporated
[EX A]:
B