21. In the first paragraph of the article, it says that Tom Brady had '"a slew of career records that may never be broken." What does that mean? (A) His records became instant hits on the Billboard Hot 100 back in 2021. (B) People were envious of his career and sought to destroy it. (C) He had a NFL career that featured lots of amazing records. (D) For NFL rookie quarterbacks, it will not be too difficult to replicate Tom Brady's career. (E) He wanted to create a music industry that is self-sustaining.