【单选题】

Near the end of your last project, additional requirements were demanded by a group of stakeholders when they learned they would be affected by your project. This became a problem because you had not included the time or cost in the project management plan for these requirements. What is theBEST thing you can do to prevent such a problem on future projects

A、Review the WBS dictionary more thoroughly, looking for incomplete descriptions.
B、Review the project charter more thoroughly, examining the business case for "holes" .
C、Do a more thorough job of contract planning.
D、Pay more attention to stakeholder management.