___________ made the school proud was ___________ more than 90% of the students had

been admitted to universities.

A．What; because

B．What; that

C．That; what

D．That; because

工业重复利用率低于（）的城市，在达标之前不得新增工业用水量，并限制其新建供水工程项目。

A.30%

B.40%

C.50%

D.60%