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: microorganisms cause food to spoil, Fact2: Irradiation kills microorganisms that spoil food., Question: what can keep food from going bad? (A) irradiation (B) Cooking (C) Dehydration (D) sensory neurons (E) animal transport (F) Enzymes (G) nutrients (H) layers of fat
A:
A