单项选择题

A.双人储存,双锁保管,双人收发,双人领取,双本记账
B.双人储存,双锁保管,双人收发,双人领取,双人出库
C.双人保管,双锁保管,双人收发,双人领取,双人出库
D.双人核对,双锁保管,双人收发,双人领取,双本记账
E.双人保管,双锁保管,双人收发,双人领取,双本记账