Which of the Following Statements About Cohabiting Couples Is TRUE

Which of the following statements about cohabiting couples is TRUE?

A) If they marry, they are less likely to get divorced than couples who did not cohabitate before marriage.
B) If they marry, their marriages are generally happier than those of couples who did not cohabitate before marriage.
C) If they marry, they provide more support for each other than do couples who did not cohabitate before marriage.
D) They are more likely to have affairs outside of their relationships than are married couples.