What is the main idea of No more Excuses Not to Exercise by Gretchen Reynolds… PLS HELP ME

Which best defines a literary stereotype and its purpose in literary? a- a literary stereotype is a term used interchangeably with prejudice.b- a literary stereotypes creates conflict and contrast how a character may seem with who a character really is. c- a literary stereotypes has no purpose in literary in literary expect to reveal prejudice and express the views of an antagonist. d- a literary stereotype is a way for the writer to indicate whether a character is good or evil, a protagonist or an antagonist.