What is required to convert a VM to a template?

What is required to convert a VM to a template?
A . Reregister the template.
B . Choose a thin-provisioned format.
C . Select a storage policy.
D . Power off the virtual machine.

Answer: D

Explanation:

Reference: https://pubs.vmware.com/vsphere-51/index.jsp?topic=% 2Fcom.vmware.vsphere.vm_admin.doc%2FGUID-846238E4-A1E3-4A28-B230-33BDD1D57454.html