A project is sponsored by the clients chief technology officer (CTO), and estimations and plans are approved. However, the clients IT manager disagree with the plans.
What should the project manager do?


A. Perform a stakeholder analysis to determine how to proceed
B. Inform the clients IT manager that their approval is unneeded since the project is sponsored by the CTO
C. Explain the estimates and plans to the clients IT manager and clarify that approval was obtained from the CTO
D. Communicate the situation to management