C.The narrator is the writer
For the introduction introduced the play, bring up the meaning of betrayal and mention that Julius was betrayed. But don't explain it all there, you can go more into detail about that stuff in the following paragraphs. For the concluding paragraph you can briefly summarize what you had written, but don't bring up any new information at all.
<span>Over the course of two years, Gulliver describes the state of affairs in Europe, speaking to his Houyhnhnm master about the English Revolution and the war with France. He is asked to explain the causes of war, and he does his best to provide reasons. He is also asked to speak of law and the justice system, which he does in some detail, criticizing lawyers severely in the process.</span>