You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application that will connect to the Microsoft SQL Server 2005 database. You want to use Windows Authentication along with the Microsoft OLE DB provider. You now need to make sure that the OLE DB connection is as secure as possible. What should you do？（）

Add the following parameter to the connection string： Integrated Security=true； PersistSecurityInfo=true；
B. Add the following parameter to the connection string： Integrated Security=SSPI；
C. Add the following parameter to the connection string： Integrated Security=SSPI； PersistSecurityInfo=yes；
D. Add the following parameter to the connection string： Integrated Security=true；