With Regard to the Effect of Children on a Marriage

With regard to the effect of children on a marriage, a review of 148 samples representing almost 50,000 individuals revealed that:

A) parents (men and women) reported lower marital satisfaction than nonparents
B) fathers but not mothers reported lower marital satisfaction than nonfathers
C) mothers but not fathers reported lower marital satisfaction than nonmothers
D) parents (men and women) reported higher marital satisfaction than nonparents