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

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

Available choices:
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.;
The answer is:
a).