Which of the Following Is True About Whether or Not

Which of the following is true about whether or not punishing aggression reduces aggressive behavior?

A) Punishing aggressive behavior reduces its frequency.
B) Punishment fails because it tells the target what not to do, but doesn't tell them what they should do instead.
C) The mere threat of severe punishment for aggressive behavior reduces its frequency.
D) Punishing aggressive behavior has no effect on its occurrence.