The author refers to the example of Oedipus the King (line 15) most likely in order to

A．suggest that Aristotle did not consider Greek tragedy which involved accidental crimes to be truly sound in dramatic terms

B．a(chǎn)rgue that exceptions existed in Greek tragedy to Aristotle's principle that intentional crimes were more impressive

C．suggest that protagonists who committed accidental crimes in Greek tragedies tended to be better received than intentional criminals

D．to suggest that the spectator of a tragedy featuring an accidental crime would himself feel pity and terror

E．illustrate an application of Aristotle's theory of character to a specific dramatic example