This is a test of commonsense with single/multi-choices. Complete the next sentence:

He moves the racket and ball up to demonstrate how to properly serve the ball, followed by him actually serving the ball in slow motion. the same shot

Options are:
(A). is shown dragged through several times as the keeper waits to see if he missed it correctly.;
(B). is shown twice more while serving two times, which is followed by the score being shown.;
(C). is shown several more times to demonstrate how to properly perform this serve.;
(D). is then shown to serve and the result isn't the same as the previous shot.;
The answer is:
(C).