What rhetorical strategy is Wiesel using in this passage

Which best expresses the irony present in this passage?

Which line from “a simple way to create suspense” best supports the central idea that writers should not give their readers answers too quickly? a. the reader learns to chase, and the momentum becomes unstoppable. b. so writers are taught to focus on ingredients and their combination. c. we had to invent a solution to the serious problem it posed. d. thus the principle works in a micro sense, as well as in a macro one.

How are montag and faber opposites of each other? a) montag is a firefighter, therefore it is his job to burn books. faber used to be and english professor, and it was his job to teach students about books. b) montag is passionate and determined, and farber is wise and cautious c) montag is brave enough to steal and illegal book. faber was too afraid to speak up when books started to become illegal. d) all of the answer choices are correct