【单选题】 【】 constitutes the principal mode of international transport and carries about 90 percent of international trade in terms of volume.(外贸考试,国际货运代理,国际货运代理专业英语试题)

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【单选题】 【】 constitutes the principal mode of international transport and carries about 90 percent of international trade in terms of volume.

ARail/road transport

BAirfreight

CMultimodal transport

DMarine cargo transportation

答案解析