—Was it there _______ you were away to answer the phone?  —There is no doubt about it.

A．that

B．which

C．while

D．where

关于卡卡转账，以下说法正确的是（）

A、卡卡转账是两笔交易

B、异地卡转异地卡收取两笔交易手续费

C、卡卡转账交易手续费从转出卡内扣

D、卡卡转账交易手续费从转入方卡扣收