Your company has a Microsoft 365 subscription. You plan to enable users to book meetings in several of the company`s conference rooms by using the Microsoft Teams client. You need to create the required resources in Microsoft 365 for the conference rooms. What should you create for each conference room? 

Answer options:

A. a team
B. a resource mailbox
C. an auto attendant
D. an Office 365 group

D

Reference: https://docs.microsoft.com/en-us/microsoftteams/rooms/rooms-deploy