According to Recent Research,which of the Following Statements About the Effect

According to recent research,which of the following statements about the effect of the transition to parenthood on marriage is TRUE?

A) Overall, most marriages improve after the arrival of the first baby.
B) Couples whose first baby is a boy are more likely to have marital problems.
C) Couples who have a second child before the first is 3 years old are more likely to have marital problems.
D) The overall quality of the marriage may suffer.