Answer:
D. It serves as a complicating incident because it leads Mathilde to borrow the infamous necklace.
Step-by-step explanation:
Guy de Maupassant's short story "The Necklace" tells the story of how a woman's want to be on par with her neighbors and friends led to their downfall. Matilde Loisel, the protagonist of the story is a greedy, selfish woman and wife.
The Loisels were invited to a party which led to her buying a new gown for she did not have any dress 'appropriate' for the event. Then again, she asked for a necklace to go with the dress and thus, the borrowing of the necklace from a friend, Mrs. Jeanne Forestier. But on the way back home from the party, they lost the necklace, so they bought a replacement using up all their savings and money. They also had to live in poverty for ten years to pay back for the money for the replacement. But turns out, the lost necklace was a fake and their efforts of replacing the necklace with a genuine one was all in vain. If she hadn't asked for a necklace, none of this would have happened and they wouldn't be suffering like they are now. The statement in the question serves as a complicating incident because it leads Matilde to borrow the infamous necklace.