题目内容：

- Do you know the kid with _______ Bob is talking over there?- Yes,it's my cousin.
A．who B．that C．不填 D．whom

优质解答

D.因为the kid with who .意思是叫做.的小孩.因此排除B,C,而关系代词who与whom 的用法区别：两者均只用于人,从理论上说,who 为主格,whom为宾格.在此who为宾格,变whom.故选D.