Which method should the customer use to migrate the VMs to a local Nutanix Cluster?

A Nutanix customer needs to migrate 1000VMs from ACME Public Cloud to a local Nutanix cluster ACME Public Cloud operates on VMware ESXi, Hp ProLiant Servers with 3PAR storage. ACME Public Cloud denies customers access to vCenter or ESXi hosts But they do replicate a copy of the virtual disks to external storage.

Which method should the customer use to migrate the VMs to a local Nutanix Cluster?
A . Use Xtract for VMs to migrate VMs from ACME Public Cloud vCenter to local Nutanix cluster.
B. Deploy Nutanix Community Edition in ACME Public Cloud and replicate VMs to local Nutanix cluster.
C. Use Calm to automate and orchestrate deployment on the local Nutanix cluster.
D. Use the latest copy of VMs on external storage to import on the local Nutanix cluster

Answer: D