A team member learns that an assigned task is not due until the very end of the project. Moreover, the team member is not aware of any predecessor tasks dependent on completing the assigned task. Which of the following does the project manager use to decide if the team member can start the task later or earlier?

A. Review the PERT chart and evaluate if the task is a critical dependency.
B. Review the PERT chart and evaluate if the task is a discretionary dependency.
C. Review the PERT chart and evaluate if the task is a real dependency.
D. Review the PERT chart and evaluate if the task is an external dependency.