Our country is developing at an amazing speed which is makes me feel so proud.A. that B.

问题补充：

Our country is developing at an amazing speed, which is makes me feel so proud.

A. that

B. why

C. what

D. where

答案：

A. that

B. why

(答案→)C. what

D. where

解析：这题考查名词性从句：what引导的是表语从句，在从句中what做主语。句意是：我们国家在以惊人的速度发展，这是使我们感到自豪的。