Mark Has an Exchange Orientation Toward Relationships

Mark has an exchange orientation toward relationships.Which of the following is probably true of Mark's relationship with his girlfriend Jin?

A) He gives freely to Jin depending on what she needs.
B) He doesn't keep track of how much he and Jin put into the relationship.
C) He's unlikely to hold a grudge if Jin forgets his birthday.
D) He gets upset when he perceives that Jin is getting a better deal than he is from the relationship.