题目内容：

( She is said ________ a new book about Chinese history．
A. to write
B. to have written
C. writing
D. written

优质解答

答案是B.此题考查的是It is said that...句型,意思是“据说.”.在这个句型中,如果将从句中的主语变为主句的主语的话,somebody is said 后面要用不定式形式.又因为在这个句子中不定式的动作是发生在谓语动作之前,所以...