Your Aunt and Uncle Have Been Married for 21 Years

Your aunt and uncle have been married for 21 years and have not been very happy in their marriage for as long as you can remember.Your aunt has resisted getting separated because she thinks that she will be even unhappier as a divorced woman.From your knowledge of development,relative to marital status,who are the most unhappy people?

A) divorced people
B) unhappily married people
C) single people
D) married couples raising young children