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

A man in snow gear comes walking up and puts his skis on to go skiing down the snow. he

Choose from:
(I) starts, holding a ticker in one hand and bringing his body down so that he picks up more speed.;
(II) solves a rubik's cube while he's wearing his snowboard.;
(III) is shown spreading his arms and snowboard while pulling on a handle attached to a rope.;
(IV) gets into the water and takes off running down the hill.;
(I)