The hyperbole is letter D. They exaggerated the statement because it probably wouldn't take them that long.
He was not surprised because he was already going insane. Since he was hallucinating that the raven was spouting words at him. He was already ill to begin with so it was not a surprise he thought the raven spoke.
Answer: B. That dog, the fluffy black one is the new dog we just adopted
Explanation:
There is gonna be a pause right next to "that dog"
Hope that helped, but please don't be mad if its wrong :)