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

How to get rid of a cold sore fast
Apply an antiviral cream.
Although a cold sore cannot be " cured ", medications and treatments can ease your symptoms and speed up the natural healing process. Probably the quickest and easiest way to treat a cold sore is way a treatment you can get from your pharmacy or drug store without a prescription from your doctor.

Options are:
a). There are many antiviral treatment options for cold sores. If you need to stop fatty habits before your cold sore begins, talk to your doctor or pharmacist to see if this is an option for you.
b). Antiviral cream can ease deep artery swelling in the hands, genitals, and feet, and also at the base of the nose. An antiviral cream can help relieve swelling.
c). The three main types of cream are penciclovir, docosanol, and acyclovir. In a test of their antiviral effectiveness penciclovir came out on top.
d). You need to make sure to be sure to purchase one. Antiviral antiviral products are frequently in severe cases of mouth-to-mouth pain.
The answer is:
c).