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: Earthworm burrows help aerate soil, which is also good for plants., Fact2: Earthworms are perhaps the most familiar decomposer., Question: What helps aerate soil, which is also good for plants? (A) trees (B) bacteria (C) loose dirt (D) decomposers (E) dogs (F) the Sun (G) hydration (H) Exfoliation
A:
D