Answer:
b) exchange; communal
Step-by-step explanation:
Exchange relationship: The term exchange relationship is defined as a relationship in which benefits are given to another person by keeping the expectation of getting the comparable or similar benefit in future as well as in return to a particular benefit already being received. It is considered as ubiquitous (found everywhere).
Communal relationship: The term communal relationship is defined as a relationship in which a person feels responsible for his or her partner's welfare. This relationship is considered as unconditional in which a person would do everything for his or her partner.
In the question above, Mark views the relationship as an exchange relationship and Jenn views it as a communal relationship.