Answer:
She thinks Beneatha has become snobbish and self-centered.
Step-by-step explanation:
In this scene, we learn a little bit more about Beneatha's thoughts on education. She seems to believe that education is the only way to change society and improve ourselves. We also learn that most people do not agree with her assessment. George believes these conversations to be pointless, while Mrs. Johnson believes Beneatha will become self-centered. Mama seems to be the one who best understands Beneatha's feelings.