______ enough articles, Mr. Smith was refused promotion in his academic title.A、

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问题 ______ enough articles, Mr. Smith was refused promotion in his academic title.

选项 A、Not having published
B、Having not published
C、Being not published
D、Not being published

答案 A

解析非谓语动词题。主句前面为原因状语从句，动词publish和主句主语Mr．Smith之间为主动关系，因此用现在分词。同时考虑到两个动词publish和be refused之间有一个时间上的先后，应用完成时。故A项Not having published正确。

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