I'm pretty sure it is the young boys.
The choice of narrator affects the plot of a narrative in the following way:
d) The narrator's point of view affects the amount of information the reader receive.
Whenever the narrator is a character in the story, he may interact with other characters or may witsness certain events. These interactions are received by the reader through the narrator's eyes, so it affects the view of the reader. Moreover, the reader cannot know anything the narrator does not know, because it is his link to the story, and that limits the information the reader may receive.
<span>too far removed from the antecedent</span>
Because this way you can find ways to improve your writing and literary skills
the answer is:
B) I heard many things in hell. How, then, am I mad? Hearken! and observe how healthily—how calmly I can tell you the whole story.
He asks the reader how they could think him mad. This shows that he is unreliable because he says something, but then contradicts it through his actions.