This is a more carefully researched article than his book was错在哪里

网友前面的一个问题（https://www.cpsenglish.com/question/57387）中有这样一个句子：

This is a more carefully researched article than I have read this semester.

我《剑桥英语语法》上找到这个句子时还找到了个相关的错句：

误：This is a more carefully researched article than his book was.

正：This is a more carefully researched article than I have read this semester.

我没有看出来上面的误句是错在哪里？求专家指点！

This is a more carefully researched article than his book was.

这个句子中，主句的比较项为a more carefully researched article，是一个名词短语，其对应项也应该是一个名词短语，作than分句的表语，逻辑上就成了his book was an article。书是文章。这就成了逻辑错误。

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 2022-04-25 18:32

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