Task: Text Completion
Input (English): He is moving his legs, stretches back and takes off. He runs fast fast down the strip and quickly leaps into the sand. then he <sep> (A) goes back to start over and does it a few more times. (B) is flip in the air, and lands into a sand pit. (C) takes off on a race track. (D) is walking in the sand, running n skate from the crowd.
Output (English): A