When Compared with Legally Married Couples,what Have Some Studies Found

When compared with legally married couples,what have some studies found regarding cohabitors?

A) Cohabitors are less likely to separate or divorce.
B) Cohabitors are more likely to separate after five years of marriage.
C) Cohabitors are more likely to separate if they cohabited more than once.
D) Cohabitors are more committed when they eventually marry.