【单选题】
which one of the following best where layer can be used?()
A、form
B、page
C、subform
D、all of the above
A、form
B、page
C、subform
D、all of the above
A、A.one SQL Server 2005 computer with one instance B、B.two SQL Server 2005 computers, each with two instances C、C.two SQL Server computers, one with one instance and one with three instances D、D.one SQL Server 2005 computer with two instances