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【题目】______ where to go, he asked a passer-by for help.

A. Having lost his way and didn’t know

B. Losing his way and didn’t know

C. Having lost his way and not knowing

D. Lost his way and didn’t know

【答案】C

【解析】考查分词做状语的用法。当动词与句子的主语构成主动关系的时候,使用现在分词做状语;如果该动词的倒装发生在谓语动作之前,使用完成式having done。否定式是在前面加Not。如果二者构成被动关系,就使用过去分词的形式。句意:因为迷路了也不知道去那里,他向一个过路人求助。故C正确。

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