Which argument is a bandwagon fallacy? A. The Wildcats will win because they're bound to win. B. My high grades in math prove that I'm a natural leader. C. Buy this new hair tonic. It's cool. Everyone's doing it. D. If we allow cell phones in class, what's next? Televisions?

C. Buy this new hair tonic. It's cool. Everyone's doing it

Explanation:

A bandwagon fallacy which is sometimes called "an appeal to common belief" simply means people doing something because other people are doing it.

The option C is an argument which is a bandwagon fallacy because it is appealing to common belief because it is believed that everyone is doing it.

The statement is is trying to get people to buy the new hair tonic because that is what everybody is using.