'Before they ate a snack' is the correct answer, it is the adverbial clause of time. A cannot be correct because that is an independent clause, and adverb clause has to be dependent. B isn't a clause at all.
The author tell the reader about a character by revealing any specific traits in a straightforward manner.
The first line, "When I come down to sleep death's endless night" is an example of figurative language. (Pretty Sure Anyways)
I believe it is “after”
Hope this helps :)
The advantage is population control, the disadvantage is it’s a world pandemic and is EXTREMELY infectious