makes our school proud is more than 80% of the students have been admitted to key univer

问题补充：

makes our school proud is more than 80% of the students have been admitted to key universities.

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：选B。主语从句缺主语用what；表语从句句意完整用that。