Recall That Participants in Michael Kahn's (1966)experiment Were Insulted by an Alleged

Recall that participants in Michael Kahn's (1966) experiment were insulted by an alleged medical technician who was taking some physiological measurements.Half of the participants were given the chance to vent their hostility,and half were not.Those who were allowed to vent their hostility by complaining to the technician's supervisor

A) demonstrated an increase in physiological arousal after they complained.
B) expressed even more dislike for and hostility toward the technician.
C) demonstrated a decrease in physiological arousal.
D) agreed to do a favor for the technician.