Research by Bailey and Pillard in the 1990s Suggested That

Research by Bailey and Pillard in the 1990s suggested that ​

A) homosexuality results when a boy is raised by a weak, detached, ineffectual father and an overprotective, close-binding mother.
B) there are anatomical differences in the brain between homosexual and heterosexual men.
C) homosexuality is a learned preference acquired when same-sex stimuli have been paired with sexual arousal.
D) there is a genetic predisposition to homosexuality.