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

How to kill fungus
Purchase over-the-counter anti-fungal cream and ointments.
If you have an infection of the skin or nails that affects only a small area and does not cause much irritation, you may consider trying over-the-counter treatments before seeing your doctor. Buy topical antifungal treatments at your local pharmacy or drugstore.

Available options: A. Follow the directions on the cream and ointments carefully to ensure that you are using them safely. Be sure to follow all of the instructions printed on the aloe vera gel. B. Keep in mind that these treatments often work better on skin than nails. Wash your hands before and after using the treatment. C. Creams contain antifungal agents, and are the cheapest. Ointments may come with anti-fungal ingredients, such as unclog inhibitors. D. Follow the instructions listed on the label. Most prescription medication meant to treat infections cannot be used on the skin.
B.