made our school proud was more than 90% of the students had been admitted to key univers

问题补充：

made our school proud was more than 90% of the students had been admitted to key universities.

A. What ; because

B. That; what

C. That; why

D. What ; that

答案：

A. What ; because

B. That; what

C. That; why

(答案→)D. What ; that

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