A Humanist Would Give Which Explanation for Aggression

A humanist would give which explanation for aggression?

A) Brain abnormalities explain violent behavior in some people.
B) Social conditions give rise to drug use that, in turn, causes aggressive behavior.
C) Aggression results from unconscious impulses.
D) Aggression increases when people become frustrated by not being able to meet their goals.
E) Aggression is learned through observing others and through reinforcement.