Which of the Statements Below Is NOT an Explanation for Why

Which of the statements below is NOT an explanation for why punishment fails?

A) Its effectiveness is often temporary, depending heavily on the presence of the authority.
B) Punishment is often administered inappropriately or mindlessly.
C) The punishers chosen are usually too mild to be effective.
D) Most misbehaviour is difficult to punish immediately, and punishment works best if it occurs quickly.