He is said_____in the Sates for three years. No wonder he speaks English so well. A to have stayed

Question

A to have stayed B to stay C having stayed D staying

Answer 1

这里考到非谓语动词的形式

首先 Be said to do sth 要用动词不定式，所以C、D排除
再看到句子里出现了表时间段的时间状语 for three years 所以应该用完成时表达一段时间的状态，所以选A

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