Her sister has become a lawyer she wanted to be.A. whoB. thatC. whatD. which

问题补充：

Her sister has become a lawyer， she wanted to be.

A. who

B. that

C. what

D. which

答案：

A. who

B. that

C. what

D. which

解析：D

解析句中先行词a lawyer在此指一个人的职业，并非指“人”本身，故关系词用which，而不用who。