What is the most logical next event?

A man in an athletic outfit and a paper number pinned to his chest paces on a sports field. the man

Pick from:
a). takes off running after the ball and throws it onto the field.;
b). demonstrates using a long string to crawl across a hilly and rocky track, and holding the string to point out obstacles.;
c). begins to push against another man wearing the yellow fitness clothing.;
d). runs a distance and performs a long jump.;
d).