Believe it or not when first ______ to Europe tomato was thought to be poisonous.A.to in
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Believe it or not, when first ______ to Europe, tomato was thought to be poisonous.
A.to introduce
B.introducing
C.introduced
D.to be introduced
请帮忙给出正确答案和分析,谢谢!
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正确答案:C
非谓语动词用法题。过去分词常表示被动意义,本题主语tomato是动作introduce的承受者,为被动关系,故introduced正确。tobeintroduced虽有被动含义,但是表示尚未完成的动作,与wasthought不一致。
