Tyrell and Tenisha Like to Play House

Tyrell and Tenisha like to play house.Every time they play,Tenisha scolds Tyrell for the pretended mess he makes and ridicules him for not knowing how to set the table.He is not allowed to hold her doll except under her watchful eye.According to social learning theory,these roles are

A) learned through observation and imitation.
B) ultimately based on biological differences between the sexes.
C) instinctive,because similar behaviors appear in all cultures.
D) based on differences in levels of cognitive development.