Hebb's Theory of Optimal Level of Arousal Was Controversial Because

Hebb's theory of optimal level of arousal was controversial because:

A) most researchers thought that tension reduction was the goal of all motives,yet he was saying that individuals are motivated to seek out tension and stimulation.
B) most researchers thought that he hypothesized that individuals seek out higher levels of tension without a means for reducing tension in the body.
C) it hypothesized that individuals cannot maintain an optimal level of arousal for a significant period of time.
D) it hypothesized that individuals are punished when they are not in a state of optimal arousal.