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").

Q: A wolf would eat (A) an ibex (B) a mountain (C) a tree (D) a cloud

A: A
****
Q: What contains nutrients for plants? (A) dirt cheap (B) wind (C) ground minerals (D) soiled clothes

A: C
****
Q: safety goggles are used for protecting the eyes during (A) sleeping (B) persuits of knowledge (C) dancing (D) singing

A:
B
****