What should you install on Server1?

Your network contains an Active Directory domain named contoso.com. The domain contains several shielded virtual machines.
You deploy a new server named Server1 that runs Windows Server 2016.
You install the Hyper-V server role on Server1.
You need to ensure that you can host shielded virtual machines on Server1.
What should you install on Server1?
A. Host Guardian Hyper-V Support
B. the Windows Biometric Framework (WBF)
C. VM Shielding Tools for Fabric Management
D. BitLocker Network Unlock