According to Cognitive Developmental Theory, What Is the Causal Relationship

According to cognitive developmental theory, what is the causal relationship between gender identity and gender typical behaviors?

A) Rewards for gender typical behavior cause children to develop gender identity.
B) The emergence of gender identity causes children to perform gender typical behavior.
C) The relationship between gender identity and gender typical behavior is explained by a third variable--the presence or absence of androgens.
D) Gender identity only indirectly produces gender typical behavior by creating expectations in parents.