问题详情

W： Have you found your book yet？
M：______
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.请帮忙给出正确答案和分析，谢谢！