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

The boat pulls him off the dock and into the water as he rests upright, his skis out in front of him. As the boat picks up speed, the skier rises, and holds onto the rope, steering left and right. he

Choose your answer from: 1. ski with both feet on the dock, up and down to maneuver the rope as much as possible. 2. gradually glides the boat around the rough waters, and as he slows, the skier glides with his feet and his hands out in front of him. 3. alternates as he zooms in on his feet, and then over right, then back on, trying to hang onto the rope and pull himself up and out of the water. 4. just seems to miss a buoy as he cuts through water and the boat's wake.
The answer is:
4.