以下操作不属于数据更新的是（）。
A.插入
B.删除
C.修改
D.查询
参考答案：D
— What else did you do this morning besides doing the shopping?
— Two hours ____ washing the windows and floor.[ ]
A. were taken
B. was spent
C. has taken
D. will be spent
在人民银行办理现金领缴业务的，只能选择（）家金融机构开立存放同业账户，辅助办理现金领缴业务.
A.1
B.2
C.2
D.4
