Answer:
D. She's ashamed of her own appearance and wants to run away and hide.
Explanation:
Madame Loisel was charming and beautiful women who used to feel inferior about the family status to which she belonged to. Her dreams are elaborate and filled with materialistic desires. There comes a part in the story when she feels regret when she sees Madame Forestier. She feels that once she was also that charming and beautiful. It was her desire for wealth and false happiness which made her gross.