D. 2, because it helps the reader understand the story's deeper meaning.
Explanation:
This is the example that would be a more complex theme. A theme is an underlying main idea of a literary work. Themes usually deal with ideas that are universal to all societies. In this case, the theme "sometimes doing the right thing can mean breaking the rules" is a good example, because it deals with a universal truth. No matter what you do or what the rules are like, sometimes doing the right thing can mean breaking the rules. Therefore, the statement allows the reader to understand the story's deeper meaning.
