What is the next step that should be taken?

An administrator has upgraded a Distributed vCenter Server environment from 5.5 to 6.0.

What is the next step that should be taken?

A.
vCenter Inventory Service must be manually stopped and removed.

B.
vCenter Inventory Service must be changed from manual to automatic.

C.
vCenter Inventory Service must be manually stopped and restarted.

D.
vCenter Inventory Service must be changed from automatic to manual.

Explanation:
Explanation/Reference: