The correct answer is:
A. The odd collection of guests.
B. The lack of detail about the haunted room experiment.
D. The scene in the bedroom when the picture “haunts” the narrator.
F. The breakfast scene, when the narrator is revealed as the man who saw the ghost.
H. The host’s explanation, which promises to reveal the purpose of the story.
Irving uses these 5 things to build suspense in the story.