A project manager has just been assigned to a team that is developing a new design product。The work breakdown structure (VW/BS) has been created and the activities have beenassigned to the team members。The project manager finds that there are activities that could be completed sooner by otherteam members。 If the current assignments are left as is, the project could be delayed 2weeks。What should the project manager do in this situation?
选项：

A: Review the work allocation and reassign some tasks to shorten the critical path。
B: Maintain the task assignments as planned and compress the other tasks to keep theproject on schedule。
C: Ask the team members to work overtime to finish the tasks on time according to theschedule。
D: Keep the task assignments unchanged since the project management plan has beenapproved。