Read the sentence and answer the question. my mother and father practice the viola with the cleveland orchestra on saturday and i stay home to practice the violin. which correctly shows where a comma is needed in the sentence? a. my mother, and father practice the viola with the cleveland orchestra on saturday and i stay home to practice the violin. b. my mother and father practice the viola, with the cleveland orchestra on saturday and i stay home to practice the violin. c. my mother and father practice the viola with the cleveland orchestra on saturday, and i stay home to practice the violin. d. my mother and father practice the viola with the cleveland orchestra on saturday and i stay home, to practice the violin.