Answer:
D. Sentence 4
Explanation:
The concluding sentence (Sentence 4) wraps up the paragraph by summarizing the impact of Antigone's stubbornness. It explicitly states that her stubbornness harms her, providing a clear conclusion to the discussion about Antigone's actions and their consequences. This sentence ties together the points made in the preceding sentences, offering a final thought on the theme of stubbornness as illustrated through Antigone's character.