Alex and Madison have been on a few dates and really like each other. They decide to have a picnic in the park with all of their friends so they can meet each other's social circles. After the picnic, they sit on the beach and talk about their fears and secrets about the past. At the end of the date, Alex tells Madison, "You are really special to me." Alex and Madison are in the ________ stage of relationship development.

A. intensifying
B. integrating
C. experimenting
D. bonding

Answer: A