By the end of the nineteenth century, five of the Western European states had developed a railroad system, but only one in the East.
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Aonly one in the East
分析该选项
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Bonly one eastern state
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Cin the East there was only one state
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Din the East only one state did
分析该选项
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Eonly one in the East had
分析该选项
显示答案
正确答案: E