The correct answer is "I heard many things in hell. How, then, am I mad? Hearten! And observe how healthily-how calmly I can tell you the whole story."
Explanation: The narrator of "The Tell-Tale Heart" is unreliable because in this excerpt he claims to hear something that is supernatural, and states that the proof is in his narration. His tone is nervous and shows that he is panicking while attempting to convince the reader that he is calm, and not crazy.
Americans have always been racist and sexist in their beliefs.
"I was surprised his nose was not growing like Pinocchio's." This refers to the story of Pinocchio, where his nose grew whenever he told a lie. It is from The Adventures of Pinocchio, written by Carlo Collodi.
This place is like a Garden of Eden." - This is a biblical allusion to the "garden of God" in the Book of Genesis.
I say it's reflective but I could be wrong.