—I'm sorry for being late.l wanted to be here earlier,but the traffic was too heavy.

—_______  [ ]

A. Gad tohear that   

B. That's right        

C. Thank you allthe same  

D. Never mind

下面不属于对属性列和视图的操作权限的操作有

A．建立索引

B．查询

C．插入

D．删除