Why does the stepmother treat Cinderella the worst of all the sisters? A. The stepmother thinks that Cinderella has a very bad temper. B. The stepmother wants Cinderella to be ready to clean and cook for her future husband. C. The stepmother is jealous of Cinderella for being the prettiest and nicest of all the sisters. D. The stepmother hopes that Cinderella will clean her room and make it look much nicer.