There ______ a number of students in our school. The number of the students ______ more than 7000.

A．is, are

B．are, is

C．is, is

D．are, are

商业银行的（）对银行经营和财务的稳健性负有最终责任。

A.股东大会

B.高级管理层

C.监事会

D.董事会