You.create Windows.Forms.applications.by.using.the .NET Framework 3.5. You plan to use the Windows Installer to deploy a new application.   The application must meet the following requirements：  （1）Support deployment to 32bit and 64bit operating systems   （2）Use the 64bit Program Files folder when deployed to 64bit platforms    You need to ensure that the application is deployed appropriately.    What should you do？（）

• A、Create a single MSI file.Add a launch condition that is set to Version NT64
• B、Create a single MSI file.Add a launch condition that is set to NOT Version NT64
• C、Create an MSI file that is targeted to 64bit platforms.Create an MSI file that is targeted to 32bit platforms
• D、Create a single MSI file.Create a merge module that contains the 32bit and 64bit code