TOEFL Listening: ETS-TOEFL听力机经 - L91AH1ACFQ33MM1AP$

What does the professor imply when he discusses the Industrial Age? A. Many European Impressionists immigrated to the United States during this era. B. Growing populations in cities led to an increased consumer demand for artworks. C. U.S. Impressionists wanted their paintings to offer relief from certain aspects of city life. D. Many U.S. Impressionists permanently moved to the countryside when the cities got overcrowded.