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: plant reproduction requires pollination, Fact2: Pollination is an intricate series of events which ultimately results in plant reproduction., Question: What does the intricate event of pollination help plants do? (A) survival (B) gene flow (C) propagate (D) reproduce (E) spread seeds (F) root death (G) water storage (H) growth
A:
C