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

A group is gathered on the beach to play soccer in the sand. The game commences with judges and spectators nearby. they

OPTIONS: A). show how to best hit the ball back and forth against the rocks of the beach.; B). hit the ball from the beach and the game commences.; C). run through the tunnel into the infield to play.; D). kick the ball back and forth, trying to keep the ball from their opponent.;
D).