A.TheYellowRiverbasin is thecradleofChina’sancientcivilizationand was oncethemostprosperousregioninearlyhistoryofChinA
B.TheYellowRiverbasin was thecradleofChina’sancientcivilizationand was oncethemostprosperousregioninearlyhistoryofChinA
C.TheYellowRiverbasin is thecradleofChina’sancientcivilizationand is oncethemostprosperousregioninearlyhistoryofChinA.
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