C是正确答案没有问题，但是B选项解释说the definition includes everything that is not agriculture or industry while the classical definition doesn't include occupations that are clearly services; the government's definition is thus not narrower.
但是文中第6行清楚地写着the broader,classical definition is that....应该government的比较narrow啊
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发表于 2008-4-10 00:32:00
