Four months into a 10-month project, the project manager realizes that the project is behind schedule and slippage will lead to an overrun of 25% of the project’s budget. A change request is created, but when the project manager seeks approval, the executive is reluctant to do so. What could be the reason for this executive’s reluctance ?
A、Lack of the project management plan approval.
B、 Lack of the risk management plan approval.
C、 Lack of the communications management plan approval.
D、 Lack of the change management plan approval.