单项选择题
In what way is the market very real for each person or business who is making and selling something（）
A．It tells you what to produce. B．It tells you how to grow vegetables. C．It offers you everything you need. D．Ii helps you save money.
单项选择题 The word "real" in the last paragraph may most probably mean（）
单项选择题 All of the following acts are producing for the market EXCEPT（）
单项选择题 Which of the following would be the best title for the passage（）
