makes the people in Shanghai proud is they have achieved a lot in the past ten years. A.

问题补充：

makes the people in Shanghai proud is they have achieved a lot in the past ten years.

A. What; because

B. What; that;

C. That; what

D. That; because

答案：

A. What; because

(答案→)B. What; that;

C. That; what

D. That; because

解析：本题考查名词性从句。第一个what引导主语从句，且在从句中作主语，第二个what引导表语从句，且在从句中作宾语，故选B。