Reading "The Five Sexes, Revisited" Anne Fausto-Sterling

Reading "The Five Sexes, Revisited" Anne Fausto-Sterling
-Anne Fausto-Sterling's discussion of the ways that our understanding of intersexuality has changed in recent years demonstrates that

A) Gender norms are unchanging
B) Gender norms are socially constructed
C) Bisexuality is a relatively new phenomenon
D) Both (a) and (b)
E) Both (b) and (c)
F) All of the above
G) None of the above