《巴塞尔协议》中规定，签署国银行的最低资本限额，即银行的整体资本充足率不得低于（）。
A．8%
B．7%
C．10%
D．12%
参考答案：A
So ________ student ________ that he can work out all difficult problems.
A．clever a ; was he
B．a clever; was he
C．clever a , he was
D．a clever, he was
