What can be inferred from the last paragraph? A．The earlier you start a new business, the more you'll get. B．Prices in a closed economy may be lower than those in trade. C．Opening up to trade may do harm to the local businesses. D．It is hard for people to change their consumption habits.
A.The B. B．Prices C. C．Opening D. D．It E.
【参考答案】
D 推断题。最后一段集中讨论了“顽固的”消费习惯带来的经济学启示。其中第二句提到“一旦成为市场第一品牌，其受益时......