500
Which sentence uses commas correctly?
A. The book, that I liked most, had an exciting plot and very interesting characters.
B. Only the cheerleaders, who were wearing rain gear, stayed reasonably dry during the game.
C. Our band conductor, who was the best trumpet player I have ever heard, decided to retire last year.
D. The zoo exhibit, that everyone found most exciting this summer, was the one with the brand new tiger cub.
C. Our band conductor, who was the best trumpet player I have ever heard, decided to retire last year.