You create a virtual machine （VM） on a Windows Server 2008 R2 Hyper-V server. The VM has a single VHD file that is connected to an IDE controller.  You need to add five new virtual disks to the VM. You must minimize the amount of virtual hardware. What should you do？（）

• A、Add the virtual disks to IDE Controller 0.
• B、Add the virtual disks to an existing SCSI controller.
• C、Remove the virtual DVD drive， and add the virtual disks to IDE Controller1.
• D、Add five SCSI controllers to the VM， and add one virtual disk to each SCSI controller.