nce upon a midnight dreary, while I pondered, weak and weary, Over many a quaint and curious volume of forgotten lore— While I nodded, nearly napping, suddenly there came a tapping, As of some one gently rapping, rapping at my chamber door. “’Tis some visitor,” I muttered, “tapping at my chamber door— Only this, and nothing more.” In this excerpt from “The Raven” by Edgar Allan Poe, what is the speaker doing when he hears a knock at the door? pacing reading weeping sleeping