Is there a picture missing
I think it might be sentence 4, since it is not relevant to the wooly mammoth's disappearance.
I would say tension and fear, because her husband was terrified of what was on the other side of the door
D, to persuade readers to adopt an author's suggested course of action.
These lines would best fit an old, philosophical doctor based on his language use. A farmer and uneducated trader and a vagrant wouldn't be able to speak in such a manner probably.