A Prospective Study Conducted by Richard Green Followed the Development

A prospective study conducted by Richard Green followed the development of sexual orientation in two groups of boys. What did the study find?

A) The boys who displayed feminine behaviors were much more likely to be homosexual or bisexual by the time they reached their late teens.
B) Boys who were the only male child in the household were almost five times as likely to be homosexual by the time they reached early adulthood.
C) Regardless of whether the boy had brothers or was the only male child in the household, the rate of homosexuality by early adulthood was the same.
D) Compared to the boys who grew up in an urban area, boys who grew in sparsely populated rural areas were approximately three times as likely to become homosexual.