How does Lizabeth overhearing her parents' conversation contribute to the theme of the selection? A. She is faced with an adult problem, which helps usher her into adulthood. B. She comes to realize the importance of family and the need to respect her parents. C. She learns about the state of the economy and understands that she is living in poverty. D. She discovers she does not know her parents at all once she sees the emotions of her father.