A Number of Studies of Adolescents Growing Up with Same-Sex

A number of studies of adolescents growing up with same-sex parents have concluded that

A) what matters is not the gender of the parents,but the quality of their relationships with their children.
B) these children tend to do worse in school even if their relationships with their parents is good.
C) most of these children have significant behavioral problems.
D) lesbian couples do a better job raising children than gay male couples.