How is reading a work of literature related to your own personal beliefs

Does anyone know the answer to the question?

Which phrase best describes the role of irony in a written book? a. to validate readers’ beliefs b. to defy readers’ expectations c. to represent an idea d. to dramatize events apex

Which best explains this excerpt’s purpose in the novel’s plot structure? the excerpt creates conflict between characters as part of the rising action. the excerpt provides background information on a character as part of the exposition. the excerpt returns a character to equilibrium as part of the falling action. the excerpt is the point of greatest tension and acts as the climax.