Your company has a Microsoft 365 subscription. You need to create an auto attendant from the Microsoft Teams admin center. Which object must be associated to the auto attendant? 

Answer options:

A. a conferencing bridge
B. a shared mailbox
C. a Calling Plan
D. a resource account

D

Reference: https://docs.microsoft.com/en-us/microsoftteams/create-a-phone-system-auto-attendant