In My Last Duchess, the painting and the art represent something that is long gone, most noticeably, his love for art. He claims that he once loved art but now that love is gone and he hates it as much as it hates him.
Answer:
Hello,
I say A, would be the answer, because someone else is saying "Open your mouth wide for the dentist." This dialogue, not a sentence because someone is saying it.
Therefore, the answer is A, Open your mouth wide for the dentist.
Hope this helps! :)
-<em>Fishylikeswater</em>
The answer would be a references page.