Answer: The last one.
Explanation: Ummm.. Well everything else was already scientifically proved. So the last one.
Answer:MLA in-text citation style uses the author's last name and the page number from which the quotation or paraphrase is taken, for example: (Smith 163). If the source does not use page numbers, do not include a number in the parenthetical citation: (Smith).
Explanation:
I would just go to spark notes. If you go there and find any that you think may be significant, come back here and I will tell you their meaning.
The narrator might need some training to be at his/her best. And to do the narration properly.