Max is very clever._,he doesn't study hard. A.And B.Or C.But D.However

问题描述:

Max is very clever._,he doesn't study hard. A.And B.Or C.But D.However

答案:D
but不能单独使用,所以不能选C.however 表示“然而,可是”,可以单独所以,所以正确答案是D.