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: Marine species live mainly in shallow coastal waters., Fact2: Coastal waters teem with life., Question: Marine species live mainly in areas teeming with what? (A) dust (B) matter (C) growth (D) life (E) mammals (F) energy (G) waves (H) spiders
A:
D