What happens next?

A teen puts his left leg on the legs of a youth. then

Select from:
(A). , the youth peels wax paper and put on the leg of the teen.
(B). , the teen jumps to the forward and jump backward.
(C). , the teen remove his right foot from the kneeing of the youth.
(D). , the youth puts his right leg on the leg of a adult.
(A).