【单选题】

expectancy theory as applied to project management implies that:

a. the team will work the hardest on those goals that are clearly explained by the project manager
b. the more rewards that the project manager provides, the better the performance of the team
c. team members will work hardest for those project goals that also bring satisfaction to personal goals
d. employees will work hardest for those project goals which are accompanied by high levels of authority for the individual team members
e. none of the above