With Extended Avoidance Training,fear to the Shock-Avoidance CS Decreases

Multiple Choice

With extended avoidance training,fear to the shock-avoidance CS decreases.This has little impact on the continued reinforcement of the avoidance response because

A) response prevention does not result in extinction of avoidance behavior.
B) fear is not necessary for avoidance conditioning.
C) even a small degree of fear reduction is reinforcing.
D) the ability of the CS to elicit response suppression is still strong.