Your company has a Microsoft 365 subscription that contains 200 Microsoft Teams users and 20 teams. You discover that several teams do NOT have an owner. You need to ensure that you receive a notification when a team is missing an owner. What should you do? 

Answer options:

A. From the Microsoft Teams admin center, modify the Teams settings.
B. From PowerShell, run the Set-Team cmdlet.
C. From the Azure Active Directory admin center, modify the group expiration settings.
D. From PowerShell, run the Add-AzureADMSLifecyclePolicyGroup cmdlet.

C

Reference: https://o365knowledgeshare.wordpress.com/2018/10/02/office-365-groups-best-practices-orphaned-groups/