What message about hard work does the author imply?
A) Nadia's dog helped her to perform well in spite of her stage fright.
B) Nadia's everyday routine helped her to perform well in spite of her stage fright.
C) Nadia's rigorous practicing allowed her to perform well in spite of her stage fright.
D) The attention from the audience allowed Nadia to perform well in spite of her stage fright.