31. Which of the following is part of the expectancy theory of motivation?

A. Clear, specific, and challenging goals generally motivate team members.

B. Project managers should ensure that tasks assigned to project participants match their skills and the organizational climate is conducive to helping them meet their needs and achieving a sense of competence.

C. People tend to be highly productive and motivated if they believe their efforts will lead to successful results and that success will lead to personal rewards.

D. Both B and C are true.