According to the principle of comparative advantage, countries______.

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问题 According to the principle of comparative advantage, countries______.

选项 A、should specialize in producing goods they have lower opportunity cost for
B、should export goods they can produce at lower input costs
C、will specialize in producing goods which they can produce at lower input costs
D、should specialize in producing goods they have lower absolute costs for

答案A

解析 答案为A项。根据比较优势原理,每个国家都应集中生产那些机会成本较低的商品。故本题选A项。
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