When Considering Prenatal Sources of Sexual Orientation,researchers Conclude That

When considering prenatal sources of sexual orientation,researchers conclude that:

A) prenatal androgen hormone circulating in the mother's body causes the tendency of her offspring to be heterosexual.
B) each older brother reduces a younger brother's odds of developing a homosexual orientation.
C) hormonal sources can establish a tendency in sexual orientation development,but it cannot predict that this tendency will be manifest in adulthood.
D) each older brother increases the odds of a consequence of higher levels of male sex hormones in the prenatal environment.
E) twin studies suggest a connection between maternal hormones and a lower chance of being homosexual.