What happens next in this paragraph?

A man and woman are standing in a starkly white room. They lay plastic on the ground and fill a tub with white paint. they
Choices:
a). then demonstrate how to hang a strip of wallpaper onto the wall..
b). paint the bathroom walls and sink with the paint can..
c). use liquid adhesive to create the foil..
d). then paint the walls black..
a).