The project manager informed a major overruns to the project sponsor. The sponsor wants to know why not publish project information in advance by way of communicating told. Feedback before obtaining sponsors, which of the following should the project manager have taken measures to solve the problem?
A、Develop a communication plan to deal with the needs of the project stakeholders.
B、 Invited sponsor to attend the team meetings, and do regular updates.
C、 Unforeseen expenditure will join the project budget, which will be included in the project cost overruns.
D、 Abatement project resources for emergency cover cost overruns.