Answer:
I think it's similes.
Explanation:
You can immediately cancel out allusions (reference to well-known person, place, or event outside the story) and hyperbole (an exaggeration, not to be entirely believed) leaving simile and metaphor. Because the word "like" shows up twice at the beginning and end- the roof came down steep and black <em>like a cowl</em>, their thick-leaved, far-reaching branches shadowed it <em>like </em>a pall- we can assume the answer is simile. Hope this helps!
Its probably B. its literally in the sentence <span />
Quickly would be the adverb adverbs can usually end with ly
