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Professor Johnson is said ______ some significant advance in his research in the
Professor Johnson is said ______ some significant advance in his research in the
游客
2023-11-05
13
管理
问题
Professor Johnson is said ______ some significant advance in his research in the past year.[1999]
选项
A、having made
B、making
C、to have made
D、to make
答案
C
解析
It is said to do表示“据说做了……”,不定式的完成式to have done表示不定式的动作先于谓语动词前完成,而本句中的“去年的研究取得重大进展”先于“据说”,因此选项C正确。
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