Read the excerpt from "The Fall of the House of Usher," by Edgar Allan Poe. Although, as boys, we had been even intimate associates, yet I really knew very little of my friend. His reserve had been always excessive and habitual.

What does this excerpt reveal about the narrator of the story?
It describes what the narrator knows from his past.
It describes what the narrator experiences in the story.
It provides an inference drawn by the narrator.
It provides a criticism voiced by the narrator.