题目内容
【题目】Not only did the Great Wall of China serve as a defense in the north but also______ the power of the emperor.
A. symbolize B. to symbolize
C. symbolizing D. symbolized
【答案】D
【解析】句意:中国的长城不仅是北方的防御工事,而且也象征着皇帝的权力。not only置句首所在句要倒装,还原句子是:the Great Wall of China served as a defense in the north;not only…but also…连接并列成分,not only后接谓语动词serve as,且用一般过去时。故空格处填symbolized作谓语。故选D。
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