Write the next sentence in this paragraph:

There are several people sledding down a snowy slope in round snow tubes. They are going down the steep snowy slope at high speed. one of the people going down the slope

Available choices: A. falls off his skis and one of the passengers screams in pain while snow sledding.; B. stumbles and oops just puts his hands in the air.; C. raises his hand to his friend as he goes downhill.; D. throws a coin in front of them as they continue to go down.;
C.