The Indie Rock Musician Antony Hegarty Has Always Identified as Transgender

The indie rock musician Antony Hegarty has always identified as transgender but has never taken medical steps to change her sex.During one tour,she performed a live cover of "Crazy in Love," originally recorded by the pop superstar Beyoncé.At the end of one performance of the song,she laughed and said,"Who says I'm not a teenage girl?" Although she might have been joking,her words suggest that:

A) primary sex characteristics always have a stranglehold on our gender identity, determining how we will be classified and how we classify ourselves.
B) although gender is socially constructed, by our teen years our gender identity is almost set in stone.
C) society develops the gender roles that will be most useful in maintaining equilibrium.
D) some individuals' sense of self and gender identity differ from their physical sex.