Answer:
"Once upon a midnight dreary, while I pondered, weak and weary,"
Explanation:
This makes the tone gloomy because it informs the reader(s) that Poe is weak and weary. When someone is upset or gloomy they are tired, week, weary because they don't want to do anything. So this line would help create gloomy tone of the poem.
I think it's true? but could be wrong
Your answer is B Hope this helps
