which screen will endpoint A see endpoint E?

You have five Cisco TelePresence endpoints. Endpoint A is the 3000 Series, endpoint
C………Series For a multipoint meeting between these endpoints with room switching, endpoint,
endpoint A call……endpoint D, and then endpoint E. Then endpoint B drops from the call. On
which screen will endpoint A see endpoint E?

A.
left

B.
center

C.
right

D.
any screen at random