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: Earthworms are important deposit feeders that help form and enrich soil., Fact2: Earth stands for soil, dust or ground., Question: An earthworm is an important (A) allow growth (B) cleaner for earth (C) Plant reproduction (D) more abundant (E) parasite (F) Something that makes plants green (G) predator (H) deposit feeder for earth
A:
H