What happens next in this paragraph?

The young man lifts himself up and places his feet in the gap between the bar and the top of the door frame. the young man
Select from the following. I. then closes the metal door and throws his feet in the air and begins to spin himself.. II. grabs the window controls and is confident that he can lift the bar and is confident about his step.. III. then clamps his legs together, lifts his knees and does a split in the middle while holding on to the bar bar.. IV. lowers his body, extending himself the full length of the doorway, hands behind his head, elbows out..
IV.