You have a virtual machine named VM1. You install Windows Server 2012 R2 on VM1. You plan to use VM1 as an image that will be distributed to sales users to demonstrate the features of a customapplication. The custom application only requires the Web Server （IIS） server role to be installed.You need to ensure that the VHD file for VM1 only contains the required Windows Server 2012 R2 source files. Which tool should you use？（）

• A、dism.exe
• B、ocsetup.exe
• C、Imagex.exe
• D、servermanagercmd.exe