John is the very boy---the foolish thing.A whom I think did B who I think didC who I think that he did D whom I think that did

熱心網(wǎng)友

選B如果將定語從句獨立出來，應(yīng)該為I think he did the foolish thing答案A: I think him did the foolish thing. 答案C: I think he that he did the foolish thing.答案D：I think him that did the foolish thing.均為病句。

熱心網(wǎng)友

選B.從句中做主語，所以用WHO，不用WHOM。排除A，D。C當中的HE是多余的，因為有了WHO就不需要HE了。