Answer:
A. To show that they don't live in high style and have worn furniture.
Explanation: "The Necklace" is an 1884 short story written by Guy de Maupassant. In describing where the Loisels lived the writer intended to expose one of the main themes in the story that is the difference between reality and appearance. Madame Loisel is beautiful but she is unhappy because she is not wealthy. We know that she is not wealthy because of the author's descritions of her house, furniture and life style.