.A project manager finds that there are knowledge gaps in the project team relating to the core competencies required to deliver the desired results. What should the project manager do to achieve the desired results?
选项：

A: Communicate the situation to the team and plan for the necessary training and coaching arrangements
B: Report the situation back to upper management and request to have the scope changed
C: Plan to hire more experienced team members and lay off a few of the existing team members.
D: Communicate the situation to the customer and inform them about potential delays in delivery.