In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Q: A learned behavior is exhibited when a human displays that they can: (A) squinting in bright light (B) digesting food in the stomach (C) change a car tire (D) inhaling and exhaling during sleep

A: C
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Q: A man will most likely be unable to see if he gets lost in (A) a dense forest (B) a long river (C) a desert (D) a mountain

A: A
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Q: Blocking a river creates homes for (A) satellites (B) fish (C) rocks (D) mermaids

A:
B
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