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").
Q: Fact1: the sun causes water to evaporate more quickly by adding heat, Fact2: During the day, the earth is heated up by the sun., Question: When does water evaporate more quickly? (A) dry and hot (B) salt and water. (C) In October (D) during the day (E) at night (F) In the morning (G) hydration (H) lowered energy cost
A:
D