Regarding the Causes of Sexual Orientation, Which of the Following

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

A) Several genes have recently been identified that appear to influence the sexual orientation in men.
B) One theory of homosexuality involves sexually antagonistic selection, in which the same genes are expressed differently in males and females.
C) Homosexuality can be caused by hormone imbalances in adulthood with the hormone levels of most gay men and lesbians being atypical.
D) According to the prenatal hormonal theory of homosexuality, some male fetuses are exposed to too little testosterone, while some female fetuses are exposed to too much testosterone.