Your best answer would be dragged because it is a stronger word
The adverbs from this list are
Quite
Slowly
New
Eventually
Really
I am 95% sure these are correct hope I helped
It emphasizes Usher's sense of terror.Repetitively saying "I dared not" shows his deep discomfort state of mind, whereas the parallel use of simple perfect tense in an interrogative sentence ("said I not") adds to the completely disoriented senses, as Usher can't tell the truth from the troublesome fiction of his own mind.