The Famous Case of John/Joan Involved a Boy

The famous case of John/Joan involved a boy

A) who was the subject of sex reassignment because his penis was destroyed when he was 7 months old.
B) who developed a serious case of gender identity disorder, wanting to be a girl, and was the youngest case of sexual reassignment surgery ever performed.
C) whose parents dressed him as a boy but dressed his twin brother as a girl to determine the effects of socialization on gender identity.
D) whose divorced parents disagreed over his gender identity.