The central irony in Guy de Maupassant's The Necklace is that Mathilde Loisel spends years in poverty replacing the lost necklace only to discover that
AThe original necklace had already been found and returned
BThe necklace had been insured by Madame Forestier
CThe original necklace was made of paste and worth very littleCORRECT
DMadame Forestier had forgotten she ever lent the necklace