Gary,a Northern Male Who Has a Reputation for Violence,has Been

Gary,a Northern male who has a reputation for violence,has been drinking with his friends.Stan approaches Gary and insults his girlfriend.Gary and Stan get into a fistfight.Which of the following best explains why Gary and Stan began to fight? Research suggests that

A) Northern males are more prone to react to insults with aggression.
B) alcohol is especially likely to interact with testosterone to increase aggression.
C) alcohol lowers our social inhibitions and allows us to act impulsively.
D) people from different parts of the country hold different expectations about the effects of alcohol.