Answer:
b. The text highlights exciting events to keep the reader’s attention.
c. The text indicates that the story is moving toward a key event in the text.
Explanation:
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.
I believe it is Boo Radley.
I'd say option B, because that is how the story or the main problem was "resolved" (as the phrase suggests) or taken care of.