Which of the Following Is Most Clearly Implied by Findings

Which of the following is most clearly implied by findings from twin studies in several countries on the heritability of sexual orientation?

A) Homosexuality is more strongly heritable (and less influenced by the common environment) for women than for men.
B) Homosexuality is more strongly heritable (and less influenced by the common environment) for men than for women.
C) Homosexuality is equally heritable (and equally influenced by the common environment) for men and for women.
D) A is true among younger adults (under age 25) ,but B is true among older adults.
E) A is true among older adults (age 25 and older) ,but B is true among younger adults.