For this chain-of-thought reasoning and answer, what was the question?
Mammals can also generate little bursts of heat by shivering. Basically, heat is energy. Mammals can generate little bursts of energy by shivering.
 A: (A)
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Q: What can a mammal produce by shivering?
Options:
- (A) energy
- (B) motion
- (C) food
- (D) warmth
- (E) cells
- (F) fur
- (G) light
- (H) matter
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