The author's allusion to Aristotle's view of tragedy in the highlighted sentence serves which one of the following functions in the passage? A. It introduces a commonly held view of Webster's tragedies that the author plans to defend. B. It supports the author's suggestion that Webster's conception of tragedy is not idiosyncratic. C. It provides an example of an approach to Webster's tragedies that the author criticizes. D. It establishes the similarity between classical and modern approaches to tragedy. E. It supports the author's assertion that Elizabethan tragedy cannot be fully understood without the help of recent scholarship.