Of the Following Couples,which Would Most Likely Report the Lowest

Of the following couples,which would most likely report the lowest level of marital satisfaction?

A) Iman and Muhammed have been married a year, and they plan to start their family next year.
B) Sally and Sam have been married 10 years and have two children who are 8 and 6 years old.
C) Rita and Marcel are both 65 years old and have just retired from the grocery store they have owned and managed for 40 years.
D) Paul and Sarah have been married 20 years and have two children who are establishing themselves in professional careers.