B: Teams Rooms license service plan comparison
The following table shows the services included in each Teams Rooms license.

Note: Microsoft Teams Rooms licenses
Microsoft offers two licenses for Teams Rooms systems that participate in Teams meetings and calls:
Microsoft Teams Rooms Pro delivers enhanced in-room meeting experiences like intelligent audio and video, front row and large galleries, and dual screen support. The Teams Rooms Pro license also provides advanced management features like remote device management, conditional access policies, and detailed device analytics.
Teams Rooms Pro is a great fit for medium and enterprise organizations, as well as smaller organizations with larger room counts or more advanced needs. Teams Rooms Pro licenses can be used to license both certified Teams Rooms systems and Teams Panels.
Microsoft Teams Rooms Basic provides core meeting experiences to organizations that purchase a certified Microsoft Teams Rooms system, at no additional cost. The Teams Rooms Basic license includes scheduling, joining meetings, content sharing, and collaborative white boarding, as well as basic security and management capabilities out-of-the-box.
Incorrect:
Not C:
Microsoft Teams Shared Devices licenses aren't supported on and won't work with Teams Rooms devices. Teams Rooms devices should only be assigned Teams Rooms Basic or Teams Rooms Pro licenses.
Not E: Cloud Video Interop (CVI) is a Microsoft Qualified third-party solution that enables third-party meeting rooms (telepresence) and personal video devices (VTCs) to join Microsoft Teams meetings.
With Microsoft Teams, you get rich online content collaboration in meetings that include audio, video, and content sharing.
Reference:
https://learn.microsoft.com/en-us/microsoftteams/rooms/rooms-licensing