Which Statement Concerning Children and Marital Satisfaction Is True

Which statement concerning children and marital satisfaction is true?

A) Couples with children show a decline in marital satisfaction, while those without children show an increase.
B) Couples who are child-free due to infertility tend to have high levels of marital satisfaction.
C) Interracial couples tend to show little increased conflict due to the birth of a child.
D) The birth of a child is usually viewed as a positive event, even though it is associated with a decrease in marital satisfaction.