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: thirst is used to make an animal realize that it needs to replenish its bodily water by the body, Fact2: Strong, persistent thirst can be a sign of dehydration., Question: When do animals need to replenish bodily water? (A) during starvation (B) excretion (C) during hunger (D) during dehydration (E) they body they live in (F) during flood (G) excretory structures (H) recovery time from fatigue
A:
D