Instrumental Aggression Differs from Hostile Aggression in That

Instrumental aggression differs from hostile aggression in that:

A) instrumental aggression involves the intent to harm another person.
B) instrumental aggression involves both emotional and physical harm to another person.
C) instrumental aggression involves harming someone in order to achieve a goal, rather than for the goal of causing pain.
D) instrumental aggression is an end in itself rather than a means to an end.