—Would you like to go to the cinema with me?

—Yes, I’d love to. But I ______ the film twice.

A．see

B．saw

C．have seen

D．will see

MF2型灭火器技术参数有重量、压力、有效喷射时间、（）、灭火剂类别、电绝缘性等。

A、有效距离

B、泡沫面积

C、有效高度

D、灭火强度