What does Celie's father mean when he says, "You gonna do what your mammy wouldn't"?

Mulitple Choice

A. Celie's father means that Celie will go to school.

B. Celie's father means he will have sex with Celie.

C. Celie's father means it is now Celie who will do the cooking and cleaning.

D. Celie's father means Celie will take care of her sister.