办理托收承付时，付款人在承付期满日起（）个月不能支付该笔托收款项，开户行应向付款人索回单证，并要求其填制应付款项证明单退回开户行。

A.1

B.2

C.3

D.6

When the old man hurried there he learned that his lovely daughter______for almost an hour.  [ ]

A. had gone    

B. had set out      

C. had left    

D. had been away