The correct answer is A. When the subject of a sentence is singular, add "_s" to the base form.
An easy example is "to exist", the base form is "exist" and A strawberry exists shows that you add s when a singular subject is used.
The fish died, because, using context clues, the word mournfully is usually associated with death or someone/ something leaving, and since a fish couldn't swim away, we would have to believe that the fish has died.
Answer: Thoreau compares the cable to a man with nothing to say to a deaf woman, supporting his idea that technology many make communication easier but not necessarily meaningful.
It means that someone is trying to tell someone to hurry up. :D
Answer: The focus on the role of gossip in the novel.