Which of the Following Is True of Couples That Are

Which of the following is true of couples that are voluntarily childless?

A) They are more likely to be vital,happy couples,as compared to couples with children.
B) They tend to do less well in their careers,as compared to couples with children.
C) They are lonelier in old age,as compared to couples with children.
D) They have more pathological characteristics,as compared to couples with children.