I'm pretty sure it is Theme.
Theme is the central topic of the text. passage, story, or anything else. So it may possibly also be the same for the underlying meaning and universal truth...but again, I am not sure.
Answer:
main theme: hubris
• dishonoring,prideful, or overconfident behavior
• thought to offend the gods
Answer:
The narrator uses negative feelings when he looks at the House of Usher. He feels scared and that there is an anti-sublime qualities to the house. The tarn, the mist, the fissure running down the house, no traversal he had seen on his journey shows how away from reality this house is.
Explanation:
B would be correct, it is the most definite answer, without any lies/gimmicks.
