What happens next in this paragraph?

Several shots are shown of a roof as well as the men laying down paper and pushing liquid all over the roof. the men
Select from:
[A]. continue filling buckets with mud and washing away scattered paper around the room..
[B]. continue laying down paper and performing tasks outside the roof with plants and building a fire..
[C]. then push cement in several shots all around to the roof and then throw it up..
[D]. continue this method and finish by laying more paper down..
[D].