According to the Underarousal Hypothesis, Why Do Psychopaths Engage in Their

According to the underarousal hypothesis, why do psychopaths engage in their characteristic behaviours?

A) to provide a sense of relief from the feelings of depression that they experience when they are not highly aroused
B) to reduce the generally high level of arousal that they feel
C) to deal with their anger
D) to provide a level of stimulation that most of us receive from more typical behaviours