After Louisa and Tom Decided to Move in Together, Louisa

After Louisa and Tom decided to move in together, Louisa did some research on a reputable site and was surprised to find out that

A) breakups are less messy or intense for cohabiting couples than for married couples.
B) half of all cohabiting relationships end in the first year.
C) premarital cohabitation leads to marital dissatisfaction.
D) people in cohabiting relationships are less likely to have divorced parents.