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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Increasingly, historians are blaming diseases imported from the Old World for the great disparity between the native population of America in 1492--new estimates of which jump as high as 100 million, ...
A.
provide support for a hypothesis.
B.
reconcile opposing viewpoints.
C.
refute a common misconception.
D.
analyze an argument in detail.