This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to clean natural stone
Sweep off surface debris.
If you are cleaning a natural stone floor, you'll want to use a fluffy mop or brush that has soft, natural bristles. This will prevent the stone from getting scratched by brushes with abrasive bristles.

OPTIONS: A. Sweep the stones often to prevent dust from falling from them and creating abrasions in the floor. Wipe mineral deposits away from stone surfaces.. B. If you are cleaning natural stone countertops, a clean cotton rag or a handheld duster can remove surface debris. Sweep all the dirt and dust into a dustpan and dispose of it.. C. If you only want a smooth surface, you can use a feather broom or sweeping sponge for texture. A fluffy, synthetic cloth can also work for the cleaning purpose.. D. Brushing stones with a soft, non-abrasive brush will still get some dirt into cracks and crevices of your stone floor. Avoid using a broom, vacuum, vacuum softeners, or regular household dander when cleaning stone floors, as these can damage the stone's stone surface..
The answer is:
B.