TOEFL Listening: ETS-TOEFL听力机经 - V4H15J4647VKY2EQP$

What is the professor's opinion about the theory that social and cultural trends influence consumption? A. The theory fails to explain why tea initially became popular in England. B. Social and cultural trends are not sufficient by themselves to cause trends in consumption. C. The theory is unable to account for why tea-drinking was considered patriotic. D. Social and cultural trends played no role in tea consumption.