Which statement is the best example of a claim?

A. "You won't understand those equations until you're older."

B. ...sometimes you have to follow your dreams, and that you should never give up just because someone says that
you can't accomplish your goal.

C. ..I've mastered those equations, played forward for two years, and am almost ready to play that piano piece.

D. When I was young, it seemed like everyone was always trying to tell me what I couldn't do.