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: Climate is generally described in terms of temperature and moisture., Fact2: Climate change is a global problem., Question: What is changing globally? (A) the number of countries (B) rapid growth (C) how they move (D) temperature and moisture (E) Differences in speed (F) net biomass (G) occurs over a wide range (H) Exposure to oxygen and water
A:
D