Jon and Madison Have Been Dating for Several Weeks and Are

Jon and Madison have been dating for several weeks and are both considering making their relationship exclusive and not seeing other people. According to the work on close relationships , their relationship will tend to grow closer and deeper if

A) there is enough self-disclosure.
B) there is no other reasonable alternative relationships for both of them.
C) the relationship exceeds their respective expectations.
D) there is sexual intimacy.
E) their respective friends deem that Jon and Madison are similar.