Read the excerpt from "The Necklace" by Guy de Maupassant and answer the question. The protagonist Mathilde sees the friend from whom she borrowed the necklace. [1] "Oh! … my poor Mathilde, how you have changed! …" [2] "Yes, I've had some hard times since I saw you last; and many sorrows … and all on your account." [3] "On my account! … How was that?" [4] "You remember the diamond necklace you lent me for the ball at the Ministry?" [5] "Yes. Well?" [6] "Well, I lost it." [7] "How could you? Why, you brought it back." [8] "I brought you another one just like it. And for the last ten years we have been paying for it. You realize it wasn't easy for us; we had no money …. Well, it's paid for at last, and I'm glad indeed." [9] Madame Forestier had halted. [10] "You say you bought a diamond necklace to replace mine?" [11] "Yes. You hadn't noticed it? They were very much alike." [12] And she smiled in proud and innocent happiness. [13] Madame Forestier, deeply moved, took her two hands. [14] "Oh, my poor Mathilde! But mine was imitation. It was worth at the very most five hundred francs! …" Select the sentence that creates an element of surprise in the excerpt.