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

The man in the glasses appears again, speaking to the camera and points to a man water skiing on the river. the water skiier

Available options:
 (a). starts going over humps while pushing the water skier to go higher.;
 (b). glides back and forth on the water of the river.;
 (c). walks up and grabs a hand line as the scenery zooms in on the ski.;
 (d). zooms up to a mountain ski in a suspension tube.;
(b).