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].