Answer: D. It outlines the themes of the play by describing them.
Step-by-step explanation:
At first, the author is describing location which is Verona city in Italy.
After that, he is describing those two families and relationship with them and also the most important he is describing why the things are like that between them. The author is using description to show the audience what will happen in the story and he is telling them that misunderstanding for both families can end up by loss of both characters.