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").

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
B

A big cat looks for prey (A) at 3pm (B) at 11pm (C) at 9am (D) at noon
B

DNA is a vehicle for passing inherited characteristics from parent to what? (A) pets (B) homes (C) younglings (D) food

C