Multi-choice problem: Continue writing the next sentence in this paragraph:

A person is riding a bike over a trail. They go over several jumps on the trail. a man

Available choices:
A). is riding a recumbent bike.;
B). jumps out to slow down their progress.;
C). takes a drink out of a can while sitting on his bike.;
D). waits on the side of a cliff before he rides off.;
C).