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: folding an object causes that object to change shape, Fact2: Tri-fold cards fold into three sections., Question: What happens to the shape of the card when you bend it into three sections? (A) mechanical (B) squeeze (C) heat (D) Changes (E) rips (F) It expands (G) modify (H) mutates
A:
D