Marie Is Reluctant to Marry Since She Is Worried That

Marie is reluctant to marry since she is worried that her husband might cheat on her. You would tell her that adultery is:

A) widespread in the U.S.
B) a problem in almost half the marriages in the U.S.
C) clearly the exception rather than the rule.
D) a problem most married couples in the U.S. have faced at some point or the other.