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: Fertilization occurs when a sperm and an egg fuse., Fact2: Fertilization As far as fertilization, timing is critical., Question: timing is critical for what occurs when a what and an egg fuse? (A) Cooking (B) Flowers (C) fusion (D) embryos (E) pollen (F) seeds (G) heat (H) sperm
A:
H