Your company has an Active Directory Domain Services (AD DS) domain. All servers run Windows Server 2008 R2. All client computers run Windows 7. You are deploying Microsoft Office 2007 and an Office plug-in as virtual applications by using Microsoft Application Virtualization (App-V) 4.6. You have sequenced Office and the plug-in separately. You need to ensure that the plug-in interacts with Office correctly. Which two actions should you perform?（）

• A、Edit the Open Software Description (.osd) file for Office and declare the plug-in as a dependency.
• B、Edit the Open Software Description (.osd) file for the plug-in and declare Office as a dependency.
• C、Edit the Open Software Description (.osd) file for Office and set MANDATORY=FALSE in the CODEBASE element.
• D、Edit the Open Software Description (.osd) file for the plug-in and set MANDATORY=FALSE in the CODEBASE element.