Question

Which phrase helps the reader understand the meaning of proponents?

Youth sports have many proponents. On the other hand, youth sports have opponents, too. I believe that sports temper a person’s spirit. They make him or her strong and durable, just as steel is tempered. Those who froth at the mouth at the idea of school sports are burbling in vain.

A.) youth sports have

B.) making him or her strong and durable

C.) on the other hand, their opponents