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: some animals' fur grows thicker for staying warm in the winter, Fact2: During winter, their hollow fur absorbs much heat as they sun themselves., Question: hollow fur keeps animals what (A) fats (B) camouflaged (C) safe (D) warm (E) cooled (F) liquid (G) live (H) from drowning

A: D
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Q: Fact1: habitat destruction causes animals to move to find shelter in another habitat, Fact2: All species are threatened due to the destruction of their natural habitat., Question: All species move to find shelter in another what (A) survive (B) streams (C) alluvial (D) habitat (E) coral reef (F) watershed (G) climate (H) loose soil

A: D
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Q: Fact1: Shivering occurs when many muscles contract a little bit all at once., Fact2: Involuntary contractions, shivering, cause the production of heat., Question: What occurs when many muscles contract a little bit all at once? (A) the production of cells (B) preventing heat transfer (C) To keep their body heat. (D) the production of heat (E) Generating heat (F) recovery time from fatigue (G) the production of cold (H) the production of skin

A:
D
****