What Explains the Capabilities of Gay and Lesbian Families Correctly

What explains the capabilities of gay and lesbian families correctly?

A) The lack of a father figure in lesbian families leads to psychological problems for male children.
B) Children of same-sex couples are more likely to grow up gay or lesbian than children of heterosexual couples.
C) The lack of clear, gendered "mother" and "father" roles often confuses and disturbs young children.
D) Most of studies support the finding that same-sex parents are just as capable in childrearing as heterosexual parents.