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

Answer: A


Question: An electric car causes (A) more CO2 emissions (B) equal CO2 emissions (C) electric emissions (D) less CO2 emmissions

Answer: D


Question: A microscope uses refraction to increases (A) mass (B) ego (C) volume (D) perception of objects

Answer:
D