Which statement best summarizes the working lives of middle-class women by 1900?

By 1900, many middle-class women—especially unmarried women—worked for wages, often as teachers, clerks, or sales workers. Social expectations generally discouraged married middle-class women from paid work outside the home, so A and C are not accurate. D is too broad: not every single middle-class woman worked outside the home.

AI-written and checked against the verified answer.