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

She turns around and bends over to pick up a steamer. She shows how to steam the wallpaper in sections. she

OPT: (A). then sprays it with oil and smooths it out.. (B). shows the process of arranging the wallpaper with a ruler.. (C). steps off the ladder and continues to steam the wallpaper.. (D). shows off the table and the brushes..
(C).