Which of the Following DIFFERENTIATES Nondistressed Couples from Distressed Couples

Which of the following DIFFERENTIATES nondistressed couples from distressed couples?

A) Nondistressed couples tend to have unrealistic expectations about what relationships should be like.
B) Nondistressed couples are more likely to share different views of roles and responsibilities within the relationship.
C) Nondistressed couples tend to interpret their partner's behaviour and causes of that behaviour positively.
D) Nondistressed couples tend to have few positive interactions.