--is the man behind the tree? He is my teacher.A. WhatB. WhereC. WhoD. Whose

问题补充：

--is the man behind the tree? -- He is my teacher.

A. What

B. Where

C. Who

D. Whose

答案：

A. What

B. Where

(答案→)C. Who

D. Whose

解析：句意：--在树后面的那个人是谁？--他是我的老师。对表示人的主语提问用who,故选C。

考点: 考查特殊疑问句的用法。