Multi-select problem: How does the next paragraph end?

An introduction comes onto the screen for a video about playing tennis. and man

Options are:
(a). comes on to talk about the lessons that he will be teaching in the video.
(b). skating under a large weight is shown playing tennis, and people standing around and showing the spectators.
(c). comes onto the screen putting the tennis racket on and introducing some more.
(d). is putting the ball in the sand and he goes back and forth around the court doing some of the moves three times and warming up for his rival.
(a).