Which of the following direct quotations is correctly punctuated?
A. Marcelene Cox said, "If at first you don't succeed, blame your parents."
B. "If at first you don't succeed" Marcelene Cox said, "blame your parents."
C. "If at first you don't succeed, blame your parents. Marcelene Cox"
C. Marcelene Cox said "If at first you don't succeed, blame your parents.