Which Is an Assumption of the Actor-Partner Interdependence Model

Which is an assumption of the actor-partner interdependence model?

A) An individual is supported to make a health behavior change by the presence of a partner
B) A partner keeps the individual on track and provides encouragement to maintain the health behavior change
C) The paths for both the individual and partner intersect so that one health behavior will not be repeated by the other
D) An individual's success with health behavior change is facilitated or challenged by the partner's ability to make the same change