How is vCenter HA different from vSphere HA?

How is vCenter HA different from vSphere HA?
A . vCenter HA requires only an active and passive node.
B . vCenter HA requires an external Platform Services Controller.
C . vCenter HA requires Fault Tolerance.
D . vCenter HA requires an active, passive, and witness node.

Answer: D

Explanation:

https://nolabnoparty.com/en/vmware-vcenter-high-availability-setup-pt-1/