You are creating a Windows Forms application by using the .NET Framework 3.5.You write a code segment to connect to a MicrosoftAccess database and populate a DataSet.You need to ensure that the application meets the following requirements：  （1）It displays all database exceptions.  （2）It logs all other exceptions by using the LogExceptionToFile   Which code segment should you use？（）

• A、A
• B、B
• C、C
• D、D