I looked upon the scene before me - upon the mere house, and the simple landscape features of the domain - upon the bleak walls - upon the vacant eye-like windows - upon a few rank sedges - and upon a few white trunks of decayed trees - what was it that so unnerved me in the contemplation of the House of Usher? a. before, upon, of, so b. looked, scene, house, landscape, walls, windows, trunks, unnerved, contemplation c. mere, simple, bleak, vacant, eye-like, few, rank, white, a, the, decayed d. All of the above

c. mere, simple, bleak, vacant, eye-like, few, rank, white, a, the, decayed

Explanation:

The objects that the speaker mentioned in the sentence such as the house, the walls, landscape, trunks, windows, etc, are things we see in our daily activities. What would most likely have innerved him in his contemplation about these things were their attributes or the adjectives that were used to qualify them.

When the walls are bleak, and the windows eye-like, those features can cause someone to become unsettled.

if the italicized words are he ran switfly, we can rewrite the sentence using a verbal phrase as follows:

running swiftly he was able to overtake the child.