Read this passage from "Marian Anderson Sings":
"Anderson struggled over her reply. She was a singer, not an activist. She did not enjoy being the center of attention for reasons other than her music. To sing at the Lincoln Memorial would be a bold political statement. At best, she'd feel uncomfortable. At worst, she might find herself at the center of an ugly riot."
Why does the author of the story include this passage?
A.to show that Anderson was hesitant to create controversy with her actions
B.to show that Anderson was not bothered by being denied the chance to play Constitution Hall
C.to show that Anderson doubted the authenticity of the government's offer for her to sing at the Lincoln Memorial
D.to show that Anderson was more committed to racial equality than she was to furthering her own career