Jonah Is Playing on His Tablet One Evening, When His

Jonah is playing on his tablet one evening, when his father asks him to finish up and get ready to take a bath. Jonah nods but completely ignores the request. After a few minutes his father repeats the request with a slightly sterner voice. Jonah says, "Okay, let me just finish this game." Ten minutes later, when Jonah has clearly played several more games, his father repeats the request but with a firm voice. Jonah, knowing that his father is getting angry, puts down the tablet, and goes to take a bath. Jonah's different responding to different "voices" from his father illustrates

A) acquisition.
B) inhibition.
C) discrimination.
D) generalization.