Select from options: Continue writing the next sentence.

A man is talking in front of a net. He crouches down to the floor, crossing his ankles. he

Possible answers:
(I) then goes forward and back several times, stretching.;
(II) begins to move his legs continuously.;
(III) stands back up and adds weight onto his leg, continuing to talk.;
(IV) crouches again, crossing.;
Answer:
(I)