邮政储蓄的收入与（）有关。
A.开户人数
B.收储余额
C.用户存款结构
D.储蓄业务费用大小
参考答案：B, C
________ operation was very successful indeed，which was ________ comfort to the concerned mother.
A．The；/
B．An；the
C．An；a
D．The；a
如何稳定完善农村基本经营制度？
