No sooner had these syllable passed my lips, than as if a shield of brass had indeed, at the moment, fallen heavily upon a floor of silver i became aware of a distinct, hollow, metallic, and clangorous, yet apparently muffled reverberation. completely unnerved, i leaped to my feet; but the measured rocking movement of usher was disturbed. which word from this excerpt could be used to argue that the narrator is unreliable? a.”passed” suggests the narrators lack of control.