Mr Wang _______ a watch.A.doesn't has B.doesn't have C.don't have D.have

Mr Wang _______ a watch.大意：王先生没有手表.
A.doesn't has B.doesn't have C.don't have D.have
主语“Mr.Wang”是第三人称单数,表否定的话助动词要用does,C可排除!D选项谓语动词应该用第三人称单数形式,及即has!
既然前面用了助动词does,那么后面的谓语动词应该使用原形!
所以B是对的!
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