Research Shows That There Is Little Hormonal Difference Between Girls

Research shows that there is little hormonal difference between girls and boys prior to puberty. Research also shows that boys and girls are equally likely to use social aggression, and

A) boys are more likely to use physical aggression.
B) girls are more likely to use physical aggression.
C) boys and girls are also equally likely to use physical aggression.
D) boys and girls do not use physical aggression prior to puberty.