Answer:
D) He uses dramatic irony because the audience knows that Nora is planning to kill herself, while Torvald does not.
Step-by-step explanation:
dramatic irony= when an audience is informed something/knows something when the characters inside the story don't.
idk if any of you have seen the walking dead but for the first 2 seasons (i think) no one knew dead people turned into walkers without getting bit, let's pretend we knew this from the very beginning, it would be dramatic irony when shane came back to life.
idk if that made sense but i tried lol