According to the Text's Discussion of the Relationship Between Children

According to the text's discussion of the relationship between children and marital satisfaction:

A) some babies are easier to care for than are others.
B) some children seem to be easier to rear than are others.
C) the greater the stress of parenting,whatever the age of the children,the more likely are the parents to feel diminished well-being both personally and in their marriage.
D) all of the above