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: Spores may be dispersed by moving water, wind, or other organisms., Fact2: Billions of spores can be produced on a single spore horn., Question: What is one way billions of seeds be spread by? (A) wind (B) manufactured goods (C) fossilization (D) maples (E) range (F) Seesaw (G) hail (H) trees
A