The correct answer is B. When the producer decides to cross the purple carpet, the audience is aware that he will fall through the breakaway floor.
Step-by-step explanation:
Dramatic irony introduces suspense because it gives information to the audience about an event that will occur, while one or more characters of the story are not aware of this. This occurs in the text presented because the audience knows there is a breakaway floor and the producer is walking towards it. Moreover, the produce completely ignores he is about to fall, which makes the audience to be expectant and wait for the producer to fall. According to this, the correct answer is B.