What is true about Organization Change Management in OUM manage?

A.
A previous project failure is not a change management warning sign since it could be due to any
number of reasons.

B.
No official communication regarding the change is issued because the client is seeking to have a
grassroots communication campaign.

C.
Have a consensus culture is good because it cuts down on the time to get to agreements.

D.
Having nobody to manage change should be a warning sign that the project may go off track.