The countrys main exports are oil cars and consumer electronic gadgets oil ______the mos

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The countrys main exports are oil, cars and consumer electronic gadgets, oil ______the most important of these.

A.has been

B.is being

C.is

D.being

请帮忙给出正确答案和分析,谢谢!

热搜:一个c程序的执行是从本程序的main函数开始

答案解析

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  • 正确答案:D
    此题的测试点是分词作补充说明状语。考生应该注意到,句中用的是逗号,说明句子没有结束,这样便排除了其他几个选项。句中后半部分…oilbeingthemostimpor—tantofthese是分词短语,进一步补充说明Thecountry’smainexportsareoil,cars,andconsumerelectronicgadgets。