Sex Differences Refer to _____ and Gender Differences to _____

Sex differences refer to _____ and gender differences to _____.

A) biological differences based in our physical natures; social and psychological distinctions arising from culture and upbringing
B) social and psychological distinctions arising from culture and upbringing; biological differences based in our physical natures
C) differences based in our roles as men and women in our culture; biological differences based in our physical natures
D) differences in social behavior; differences in physical behavior