In "A Wagner Matinee," Cather contrasts Aunt Georgiana's life of music and sophistication in Boston with her pioneer life in Nebraska. How does this affect the story? A. It shows that she gives up a cultured life for a loveless marriage. B. It develops the idea that listening to music can soothe her troubles and regenerate her soul. C. It highlights the life changes she is willing to make to experience love. D. It indicates that she misses her life on the prairie, even though she enjoys the music.