All the major cities of the United States, ______the cities of the Great Lakes and the Gulf of Mexico, began as centers of the t

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问题 All the major cities of the United States, ______the cities of the Great Lakes and the Gulf of Mexico, began as centers of the trade.

选项 A、and to include
B、which including
C、included
D、including

答案D

解析 本题考查句子结构和动词形式。根据题干,主语为cities,谓语为began,可初步判断空格处应该填入非谓语动词形式或者从句。B选项中which可引导定语从句,但including为非谓语形式,不可充当定语从句的谓语,故不能选。由此可知,including为现在分词结构,表示“包含”,符合句法要求。
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