Multi-choice problem: Continue writing the next sentence in this paragraph:

There's a man doing a science experiment in his kitchen using a on liter pepsi bottle that is filled with foam. There's a boy laying down on the floor with his legs stretched up against the cabinet. the man

Options:
(A). is holding a hose in one hand and blowing air into the bottle simultaneously.
(B). grabs a jug and litters some foam or salt into a bowl and wipes the scrapes off with a towel until all of the foam have gone down onto his kitchen floor.
(C). finishes and the video ends.
(D). then begins to watch a boy on a table who is drinking two beers.
(A).