单选题
Specialization is encouraged because______
A、
people can use their money to buy whatever they want
B、
people do not need to make a complete product for exchange
C、
people make a great contribution to the manufacture of a product
D、
people cannot use their money to buy whatever they want
【正确答案】
B
【答案解析】
第一段最后一句指出，专业化受到鼓励的原因是，从事专业化生产的人们可以得到相当于他们产品份额的报酬。即人们并不需要在完成产品后才能获得报酬。
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