—Mary isn't your cousin,_         ?        

—Yes , _           .   [ ]

A. is she; she is    

B. isn't she; she is  

C. is she;she isn't    

D. isn't she; she isn't

境内某公司从香港进口台湾产的切纸机2台，成交价格CIF上海5000美元/台。设外汇折算价1美元=6.5元人民币，最惠国税率为12%，普通税率为50%，中国一东盟自由贸易区协定税率8%，增值税税率为17%，计算应征进口税额为：

A．18452.00元人民币
B．10864.00元人民币
C．52850.00元人民币
D．20176.00元人民币