What is the most logical next event?

The man from the crowd plays a guitar with the band on stage happily. A man fights fights with his date in the crowd. the man playing the guitar

Pick from: (A). stops and intervenes with the couple standing between them.. (B). hits the woman in the face and she falls to the ground.. (C). and shaking her leg is followed by the band celebrating.. (D). becomes upset at the co rotate of the audience..
(A).