What is the narrators relationship to roderick usher?

What was the major sacrifice the members of the continental congress dealt with? how did they overcome this obstacle?

Ill she not be here anon? is she not hurrying to upbraid me for my haste? have i not heard her footstep on the stair? do i not distinguish that heavy and horrible beating of her heart? what is the effect of parallelism in this excerpt? it emphasizes usher’s misunderstanding. it emphasizes usher’s love for his sister. it emphasizes usher’s psychological fixation. it emphasizes usher’s melancholy nature.

Read this passage from "the pedestrian" by ray bradbury: which sentence best describes the overall impact of the setting?