You are an administrator of FortiGate devices that use FortiManager for central management. You need to add a policy on an ADOM, but upon selecting the ADOM drop-down list, you notice that the ADOM is in locked state. Workflow mode is enabled on your FortiManager to define approval or notification workflow when creating and installing policy changes.
What caused this problem? http://docs.fortinet.com/uploaded/files/2250/FortiManager-5.2.1-Administration-Guide.pdf

A.
Another administrator has locked the ADOM and is currently working on it.

B.
There is pending approval waiting from a previous modification.

C.
You need to use set workspace-mode workflow on the CLI.

D.
You have read-only permission on Workflow Approve in the administrator profile.