Which sentence does NOT use a colon correctly?

A. The coach quizzed the team on: techniques, strategies, and goals.

B. Snoopy, the dog created by Charles M. Schulz, once said this in a cartoon: “Yesterday I was a dog. Today I’m a dog. Tomorrow I’ll probably still be a dog. Sigh! There’s so little hop for advancement.”

C. Attention park users: Littering now carries a fine of two hundred dollars.