A.AB.BC.CD.DYou create a Microsoft ASP.NET application ……
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You plan to add a custom parameter in the SqlDataSource control. You write the following code fragment：
<asp：SqlDataSource ID="SqlDataSource1" runat="server"
InsertCommand="INSERT INTO [Employee] （[Field1]， [Field2]， [PostedDate]）
VALUES （@Field1， @Field2， @PostedDate）">
<InsertParameters>
<asp：Parameter Name="Field1" />
<asp：Parameter Name="Field2" />
<custom：DayParameter Name="PostedDate" />
</InsertParameters>
</asp：SqlDataSource>
You write the following code segment to create a custom parameter class：
public class DayParameter ： Parameter { }
You need to ensure that the custom parameter returns the current date and time. Which code segment should you add to the DayParameter class？ （）
A.A
B.B
C.C
D.D