It is better to not use rhetorical questions in a research paper because it adds informality. A rhetorical question is asking the readers something in second person and a research paper should always be written in third person.
It's used to guide and organize the entire outline. (should be the main focus of the paper.)
Answer:
D. There's no large-minded way of thinking now; the worst have got to be the best and rule everything; we're all turned upside down and going back year by year
Explanation:
I got it right in Plato
