Q: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Fact1: the moon revolving around the Earth causes the phases of the moon, Fact2: Phases of the Moon are caused by differing amounts of light reflected from the Earth., Question: What causes differing light to reflect off of the moon? (A) depress neuronal excitability (B) energy of moving objects (C) The revolution around earth (D) our nearest star (E) a hemisphere is tilted away from the sun (F) focusing a lens (G) flow of electrons (H) that material's properties
A:
C