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

The same man swims backstroke down the lane from where he came. The words breaststroke show up on the screen. the man

Available choices:
(I) then swims backward through the parallel bars and back to where he came from.;
(II) does the breaststroke back across the pool.;
(III) stands at the end of the lane, holds his knees, and waits.;
(IV) flips over and the end screen hardens.;
The answer is:
(II)