Yip Reports This as One of Three Major Factors Contributing

Yip reports this as one of three major factors contributing to this relationship category: sexual exclusivity is seen as a symbol of total commitment between partners

A) couples who expect the partnership to be sexually exclusive and are behaviorally so
B) couples who expect the partnership to be sexually exclusive but are behaviorally non-exclusive
C) couples who expect the partnership to be sexually non-exclusive and are behaviorally so
D) couples who expect the partnership to be sexually non-exclusive but are so far behaviorally