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

How to use chalk paint on furniture
Clean off your furniture.
Start wiping down your furniture to remove any dirt and debris. Try wiping down the piece with a clean, slightly damp rag first.

Possible answers:
A). You may need to wear a dust mask when applying chalk paint to the furniture. Chalk paint comes in many different colors and textures, so work with a clean rag or cloth..
B). Then, wipe down the foundation, paint, and other items still on or near it. Scrub every nook and cranny, too, applying chalk over all areas..
C). Then take a cleaning wipe like lysol or clorox and go back over it. You don't want any dust or grit to get stuck under your coats of paint..
D). Then, rinse your furniture on a low heat setting while it soaks. While you can give the furniture a once on a day cleaning with a mild, bleach free cleaner, it can take several weeks before you see the results..
C).