Multi-select problem: How does the next paragraph end?

A woman sits on the floor next a vacuum. The woman vacuums dirt on a hard floor. Then, the woman cleans waste on a carpet. after

Possible answers:
a). , the woman vacuums over a pillow using a smaller nozzle.
b). , the woman vacuums flower petals on the floor.
c). , the woman puts foam on the head of the vacuum and cleans the floor.
d). , the woman vacuums on floor.
a).