Read this passage: my hand was already on the lock of the door before i recollected myself. i then paused; and a cold shivering came over me. i threw the door forcibly open, as children are accustomed to do when they expect a spectre to stand waiting for them on the other side; but nothing appeared. i stepped fearfully in; the apartment was empty. . (49). in this passage, how does shelley create gothic horror?