In canto xix of the inferno, pope nicholas iii mistakes dante for pope boniface viii. what is most likely the author's purpose in this scene?
a. to emphasize that nicholas iii should not be in hell
b. to show the audience that he believed that boniface deserved to be in hell as well
c. to show the audience that even popes are human and capable of mistakes
d. to emphasize dante's need to impress virgil with his knowledge of sinners