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

How to stay healthy during the winter 
Wash your hands. 
Regularly washing your hands is one of the best ways to keep from spreading germs. It's also a good method to avoid spreading germs to others.

OPTIONS:
(A). Never scrub your hands with soap or water. Doing so can spread germs through your skin and onto your clothes.;
(B). Buy warm water when washing your hands. You don't need to use hot water to wash your hands.;
(C). During the winter, this is especially important since it is cold and flu season. Make sure you know how to properly wash your hands.;
(D). Wash your hands after cooking, after touching or throwing away food, before dusting or shoveling snow. Wear protective clothing when handling animals, such as rubber gloves.;
(C).