How do Madame Loisel's actions in paragraphs 6-11 develop her character?
O They offer insight about her close relationship with Madame Forestier.
O They expose the vanity that ultimately leads to her undoing.
O They create an opportunity for her to make a lasting change in her life.
O They explain her motivation to borrow a necklace from Madame Forestier.

I need the answer asap