Andy: My schedule (安排表) this afternoon is an absolute mess. Between 3:30 and 4:00 I'm supposed to be in four different places. There is no way.Frank: I've done that before. ______

A．No. But I didn't remember where I had put it.
B．No. I am not sure what I have done with it.
C．Not yet. And I'm sure I have lost it for ever.
D．Still not. It seemed to me I shall never get it back.