You are designing a Windows Server 2008 R2 Hyper-V environment.
You need to be able to dynamically add new storage to Windows virtual machines (VMs).

What should you do?

A.
Install Hyper-V Integration Services on the VMs.

B.
Use dynamically expanding virtual hard disks (VHDs).

C.
Install the VMs in Cluster Shared Volumes (CSVs).

D.
Use fixed virtual hard disks (VHDs).

Explanation: