—Excuse meis your pen pal from?—He’s from Australia. We have been pen friends for three

问题补充：

—Excuse me. is your pen pal from?

—He’s from Australia. We have been pen friends for three years.

A. What

B. Who

C. Where

D. Why

答案：

A. What

B. Who

(答案→)C. Where

D. Why

解析：根据答语内容He’s from Australia.可知答案为C，表示来自哪里的意思。故选C