Answer: https://www.shmoop.com/historical-texts/hope-despair-memory/
Explanation: That Site Will Give You All The Information You Need!
Its d because must wouldn't make sense, could wouldn't make sense, and would wouldn't make sense either so therfore its d
B, because nothing in this talks about dogs, and the main idea of the article is fish. It is more specifically about setting up a fish aquarium.
C... if they’re testing people there must be some progress.