成人英语三级考试

【单选题】His brother had become a teacher, ______ he wanted to be.


A．who
B．what
C．which
D．that

网考网参考答案：C
网考网解析：
非限定性定语从句。 用which引导，此处的which指代“教师”这个职业。 查看试题解析出处>>