Detailed Instructions: 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: Population density is the average number of individuals per unit of area or volume., Fact2: Population crashes in high density populations are so devastating that extinction becomes probable., Question: If the number of individual members of a species becomes to high in a fixed area, the species can (A) massive damage (B) remove limbs (C) become extinct (D) competition (E) escape their bodies (F) survive (G) shrink (H) migrate
A:
C