In the Context of Theories of Gender Development, Which of the Following

In the context of theories of gender development, which of the following is a problem with gender-schema theory and Kohlberg's cognitive-developmental theory?

A) Gender-stereotyping does not always become stronger than before with increased gender knowledge.
B) Gender-stereotyping falls and then rises in a developmental pattern in a child.
C) Gender schemas undermine gender stereotypes by correcting judgments about a child's behavior.
D) Gender differences in behavior precede gender knowledge.