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
网友回答
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。