A project manager is completing the WBS with the project team，but the session is hard to manage．There are 200 people in the room representing four different departments．Some of the people who will be working on the project later are talking about other things while earlier work is disscussed．Which of the following BEST decribes the real problem
A．The project sponsor should be leading this kind of meetin
B．They are not following the project communication pla
C．There are too many departments involved in the projec
D．The project manager is really managing a progra