What is the correct Use Case for using VxRail-Managed vCenter Server?

What is the correct Use Case for using VxRail-Managed vCenter Server?
A . Second or subsequent cluster deployments or the first cluster in a multi-cluster deployment.
B . A stand-alone cluster deployment or the first cluster in a multi-cluster deployment.
C . When you have a multi-site Stretch Cluster and no witness.

Answer: B