You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You derive a new validation control from the BaseValidator class.  The validation logic for the control is implemented in the Validate method in the following manner：   protected static bool Validate（string value）   {   // ...   }    You need to override the method that validates the value of the related control.  Which override method should you use？（）

• A、A
• B、B
• C、C
• D、D