Who Is MOST Apt to Feel Happiest in Her Marriage

Who is MOST apt to feel happiest in her marriage?

A) Nguyen, who spends a lot of time thinking about how to make her partner happy
B) Debbe, who typically gets her way in the relationship
C) Sameera, who believes that if she does one good thing for her partner, her spouse should do one good thing for her
D) Suzanna, who takes pleasure in being "right" when she and her husband disagree