In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

On the line, there is a man bouncing up and down while standing on the line before he gets off. after <sep> (A) a few more bounces, he throws the racketball and knocks down a man who is demonstrating it. (B) , a large blue snowboard is shown with a person riding on it. (C) , and then in a replay, there are boys jumping and clapping on the sides of the lane which includes their hands next to their legs. (D) , more cobra slacklines are shown as well as other advertisements for the object.
D