The following are assumptions often expressed by heterosexual people who oppose family formation and adoption for gay families. Which of them, if any, seem to be supported by recent research on the subject?

a. Gay male parents are more likely to sexually abuse their children than their straight peers.
b. Children of gay parents are more likely to disrespect them.
c. Children of lesbian parents are more assertive in challenging gender roles in their own relationships.
d. None of the above.

C