Which of the Following Is True About Cohabitating Couple in the U.S

Which of the following is true about cohabitating couple in the U.S.?

A) If they get married, they are less likely to divorce than couples who did not live together prior to marriage.
B) They tend to cohabitate as a prelude to marriage, not as a substitute to it.
C) The majority of couples who choose to live together prior to marriage are in homosexual relationships.
D) All of these