The Injection Idea of Socialization Fails to Explain How People

The injection idea of socialization fails to explain how people learn to do gender because

A) socialization is finished by the time we are adults.
B) it assumes there is one coherent set of gender rules that children learn and apply throughout their lives.
C) it suggests that people change gender rules,but gender rules do not change over time in a society.
D) it does not account for the innate biological differences between males and females.