Q: 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").
Fact1: threatening behavior by predators causes a porcupine to extend its quills, Fact2: Porcupines are in the rodent family., Question: What extends something because of threatening behavior by predators? (A) influenza (B) chickenpox (C) A rodent (D) A primate (E) A treeshrew (F) fur and fat (G) A flying lemur (H) an object
A:
C