The sun maybe????????????????????????
The answer could be A or B because the date of the webpage could be outdated and the author of the page could be unreliable. I personally would say A.
Answer:
Im not sure which lines you are referring to but these lines make it gloomy:
"Once upon a midnight dreary"
"Thrilled me—filled me with fantastic terrors never felt before;"
"Deep into that darkness peering, long I stood there wondering, fearing,"