Respuesta :
Answer:
C. Believing in oneself opens up many possibilities.
Explanation:
In this excerpt, we read the thoughts of a character who believes in himself. In these lines, we learn that the speaker believes himself to be good enough to make a career as a runner or a coach. He also thinks he could be a spelling bee champion and a piano star. The fact that the speaker believes in himself so much opens up many possibilities for his future.