Which sentence from “Competition Builds Better Dancers” BEST shows that dance competitions help dancers prepare for a career in dance?
A. Judges write or record notes as they watch and score the routines.
B. Preparing for competition has its benefits.
C. After all, professional dancers compete for work every time they go to an audition.
D. Of course, dance competitions can have their drawbacks too.

Please no links give me a clear and concise answer.