In "the necklace," how do the other attendees of the ball react to mathilde?

a.
several people recognize that the necklace belongs to madame forestier, and they criticize mathilde for borrowing it.

b.
most people do not notice her because the ball is filled with people from all over paris.

c.
the wealthier women present stare at her with jealousy and judgment because they know that she is poor.

d.
everyone thinks she is beautiful, and many of the most important men wish to be introduced to her and to dance with her.