Monique Is Seven Years Old and Prefers Wearing Her Older

Monique is seven years old and prefers wearing her older brother's clothes to the frilly dresses her mother wants her to wear. She has gone so far as to repeatedly insist that she is a boy and she chooses only male playmates at school. Most likely, Monique is showing the childhood correlates of

A) gender dysphoria.
B) transvestic fetishism.
C) transgender behaviour disorder.
D) transsexual gender disorder.