Robert is said _______ abroad, but I don’t know what country he studied in. A. to have s

Robert is said _______ abroad, but I don’t know what country he studied in.

A. to have studied  B. to study  C. to be studying      D. to have been studying

答案

A


解析:

根据句中的 studied 可知,他曾到国外留过学,也就是说“留学”这个动作已结束并发生在谓语动作(is said)之前,故用完成式,即选 A。

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