Sigmund Freud's Theory Suggested That Anatomical Differences Between Girls and Boys

Sigmund Freud's theory suggested that anatomical differences between girls and boys that give way to personality differences

A) begin at about age 3.
B) are rooted in a type of anxiety for boys and a type of envy for girls.
C) are based on an assumption of male superiority and female inferiority.
D) All of the answer choices are correct.