Marriage Between Same-Gender Individuals

Marriage between same-gender individuals:

A) is not legal anywhere except for a few Caribbean countries.
B) has not been a major focus of the gay rights movement given that gay and lesbian individuals generally reject the institution of marriage.
C) is legal in an increasing number of countries.
D) is opposed by both the American Psychological Association and the American Psychiatric Association due to well-documented evidence that people in same-gender relationships report much less satisfaction than heterosexual couples.