A project manager is having trouble with his project because one of his team members is not performing, which is causing him to miss an important date he promised to a stakeholder. He discovers that the team member knew about the project problem, but didn’t tell him because the team members are all afraid of his bad temper. Which BEST describes how the project manager can avoid this situation in the future?

A. Increasing his knowledge of the PMBOK® Guide B. Measuring personal performance C. Improving his personal skills D. Managing stakeholder expectations