Answer:
Allows the reader to be 'all-knowing'
Explanation:
The omniscient narrator allows the reader inside the heads of the characters to know the different thoughts of Beatrice, Luma, and even Jeremiah.
I don't know if I'm completely correct, so please don't get mad at me, but I do think that the answer is B. If you think about it, modern poetry has far fewer rules than it used to. Free verse has become a very popular form of poetry, and that is my reasoning. I hope this is helpful!
D. Fairness helps you understand the meaning of the word.