Marcus was always boasting about his ability to play piano. I’m the best there is! He’d insist. However when his music teacher finally insisted that Marcus take a seat on the piano bench and show off his abilities the truth was revealed.

Which statement describes the theme of this paragraph?
A) a boy does not know how to play the piano
B) learning new things can be difficult
C) people are not likely to trust someone who lies
D) hard work always pays great rewards

C) people are not likely to trust someone who lies