Which of the following events from "The Necklace" best illustrates situational irony? a. By trying to look rich enough to own a diamond necklace, Madame Loisel winds up poorer than she was before. b. In order to please his wife, Monsieur Losiel agrees to pay more than the couple can afford for a dress. c. The Losiels are able to find a new necklace that looks exactly the other one.