Answer:
B. They are the books that Montag is burning.
Explanation:
Montag's job is to burn books, which contain "history," or the knowledge of the past. In the quote given, this is the only answer choice that would actually make sense.
Situational irony occurs when incongruity appears between expectations of something to happen, and what actually happens instead. From the choices above, I think the correct answer from the choices listed is option D, Ram is trying to be friendly in spite of hostile treatment.