What makes Cindy Ellies stepmother a flat character?

A flat character is a character that does not change in the story. No matter what a flat character does not change much at all. They may change in the stting of where they are but their personalities do not change nor does their attiude. the answer to this question is Her stepmother is a flat character because she does not change in the story. She stays the same. Even when Cindy Ellie gets married she stays greedy and very oppionated. I hope that this has helped you. AMERICAN SCHOOL STUDENT