Concept:The poem describes the speaker standing before a dark, empty house in a lonely street, expressing loss and guilt.Explanation:The speaker says, “Dark house, by which once more I stand / Here in the long unlovely street.” The word “dark” refers to a house that is unlit and vacant. The speaker also mentions that “He is not here” and feels like a guilty thing creeping to the door, showing the house is empty. No graveyard or open field is indicated. The “bald street” only describes the setting outside. So the speaker is standing in front of an empty house.Answer:D. empty house