单选题
Adam Smith saw that the division of labor
A、
enabled each worker to make pins more quickly and more cheaply
B、
increased the possible output per worker
C、
increased the number of people employed in factories
D、
improved the quality of pins produced
【正确答案】
B
【答案解析】
[解析] 推断题。文中二、三段通过举例论述了如果没有劳动分工，则产量会大大的减少，反之则可推断出如果生产力分工就会增加每个工人的产品的产出，故B项正确。
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