In which stanza from "the raven" does the image of the bird in the speaker’s room first appear?

The event from "The Raven" by Edgar Allan Poe that speaks of the image of the bird was when the author opened the window and saw the raven. It is found in this stanza, ' Open here I flung the shutter, when, with many a flirt and flutter, In there stepped a stately Raven of the saintly days of yore; Not the least obeisance made he; not a minute stopped or stayed he; But, with mien of lord or lady, perched above my chamber door— Perched upon a bust of Pallas just above my chamber door— Perched, and sat, and nothing more. '

In a group discussion,which of these is the best example of challenging credibility of a source. the answer choice is a