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.

"Breaking with tradition" is a major theme of modernist literature. Therefore, the correct answer is the second one -- it emphasizes the changing values of the time.
In this case, the changing values involve women's appearance. For centuries, women had long hair. A woman with very short hair was never seen. In the story, though, short hair is becoming the fashion.
Answer: Unknown. "London Bridge Is Falling Down" (also known as "My Fair Lady" or "London Bridge") is a traditional English nursery rhyme and singing game, which is found in different versions all over the world. It deals with the depredations of London Bridge and attempts, realistic or fanciful, to repair it.
Explanation:
A. The tittle of an essay
I'm not sure why though. All the different rules for English. Apologies if I get it wrong.