With no explanation, chose the best option from "A" or "B". Dennis accompanies his girlfriend Bea to a friend's wedding and reception, where he spots a very attractive bridesmaid. Dennis wants to have fun dancing at the reception.

A: Dennis dances with Bea and has a good time; the bridesmaid asks him to dance at one point.
B: Dennis tells Bea he needs to use the restroom, then dances with the bridesmaid.
A.