The words from the paragraph which creates an unsettling mood are sorrow and failed.
This refers to the state of feeling of individuals at a particular point in time. Unsettling occurs mostly as a result of negative actions.
They include sorrow and failed which therefore makes the pair the most appropriate choice.
The paragraph is:
Fall of the House of Usher, excerpt
By Edgar Allan Poe
The room in which I found myself was very large and lofty. The windows were long, narrow, and pointed, and at so vast a distance from the black oaken floor as to be altogether inaccessible from within. Feeble gleams of encrimsoned light made their way through the trellised panes, and served to render sufficiently distinct the more prominent objects around; the eye, however, struggled in vain to reach the remoter angles of the chamber, or the recesses of the vaulted and fretted ceiling. Dark draperies hung upon the walls. The general furniture was profuse, comfortless, antique, and tattered. Many books and musical instruments lay scattered about, but failed to give any vitality to the scene. I felt that I breathed an atmosphere of sorrow. An air of stern, deep, and irredeemable gloom hung over and pervaded all.
Read more about Mood here https://brainly.com/question/760210
#SPJ1
