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").
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Question: A learned behavior is exhibited when (A) squinting in bright light (B) nailing up a picture frame (C) blinking and gulping air (D) inhaling and exhaling during sleep

Answer: B


Question: A boy that has two legs and two arms has parents that have (A) nearly an arm and a leg (B) the same number limbs (C) their left arms only (D) one right leg each

Answer: B


Question: Echo is when sound reflects off of what? (A) atmosphere (B) tables (C) surface winds (D) sunlight

Answer:
B