Answer:
A: It serves as a complicating incident because it leads Mathilde to borrow the infamous necklace.
This statement best analyzes how this conflict develops the plot
Step-by-step explanation:
The story "The Necklace" by “Guy de Maupassant” narrates a story of a woman who always wants to compete with her neighbours and friends and how this leads to her downfall. Mathilde Loisel is the protagonist of the story. She is a greedy and a mean lady.
When she was invited to a party, she brought a new dress appropriate for that party as she did not have a suitable dress. Also, she borrowed a matching necklace from her friend, Mrs. Jeanne Forestier. But Mathilde lost the necklace and the story unfolds that how she replaces the necklace with a fake one. Thus, option A is the correct answer of the given conflict which develops a new plot in the story.