In "a voice" the speakers family seems?

What is the most likely reason schlosser uses a direct quotation in this excerpt from fast food nation?

Time remaining 59: 40 luka is writing a fictionalized story about a physicist. what would be the best choice for source material to use for his story? o o o o a blockbuster film a national newspaper a science-fiction website a popular novel

Vonnegut says that he can't visit the school because the story is called make your soul grow