What can prevent an admin account that has Super_User rights over the device from approving a workflow session?

An administrator, Trainer, who is assigned the Super_User profile, is trying to approve a workflow session that was submitted by another administrator, Student. However, Trainer is unable to approve the workflow session.

What can prevent an admin account that has Super_User rights over the device from approving a workflow session?

A . Trainer is not a part of workflow approval group
B . Trainer does not have full rights over this ADOM
C . Trainer must close Student’s workflow session before approving the request
D . Student, who submitted the workflow session, must first self-approve the request

Answer: A

Explanation:

Reference: https://help.fortinet.com/fmgr/50hlp/56/5-6-1/FMG-FAZ/0800_ADOMs/1800_Workflow/0600_Workflow%20sessions.htm