The word “about” used in connection with the amount of the credit is to be construed as allowing a difference not to exceed more or less than the amount to which it renders.（）A．5%, 5%B．5%, 10%C．10%, 10%D．10%, 5%

单项选择题

The word “about” used in connection with the amount of the credit is to be construed as allowing a difference not to exceed more or less than the amount to which it renders.（）

A．5%, 5%
B．5%, 10%
C．10%, 10%
D．10%, 5%