The author’s purpose of writing this passage is to ______. A. describe the characteristics of the advertisements in early days B. persuade people to pay attention to the importance of visual images in advertising C. tell people the development and role of American advertising D. explain how to sell goods by advertisements nowadays
Advertisements helped to transform American values. They made Americans aware of such "problems" as halitosis (口臭) and strange smell of body. More seriously, they helped promote a shift from an emphasis on savings toward consumption. They also helped to shift from a culture mainly toward words to the one toward visual images.