Regarding Sexual Orientation, Which of the Following Statements Is FALSE

Regarding sexual orientation, which of the following statements is FALSE?

A) Although learning contributes to one's sexual orientation, it appears that nature strongly prepares people to be either homosexual or heterosexual.
B) Differences in the size and in the neurotransmitter levels of the hypothalamus have been found in homosexual and heterosexual persons.
C) Most gay people were raised by heterosexual parents, and most straight people were raised by gay parents.
D) Most gay men have lower than normal adult testosterone levels, while lesbians have lower than normal estrogen levels.