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: Any surface that has not been sterilized is likely to be covered with bacteria., Fact2: Bacteria and viruses that make people sick can be passed on our hands., Question: What can surfaces that haven't been sterilized do to people? (A) Prevent injuries (B) Help people learn (C) Make them sick (D) Make people money (E) Make them strong (F) damaging (G) destruction (H) Injure them
A:
C