Comprehensive and Detailed Explanation:
When team members are unclear about project completion, the project manager should first review the schedule and deliverables. This helps understand the remaining scope and clarify the path to closure.
Reaffirming the plan aligns the team and corrects confusion about transitioning to operations.
Option A gathers feedback but doesn't clarify the plan.
Option C skips necessary project analysis.
Option D changes methodology without reason.
References:
PMBOK Guide - Seventh Edition, Planning and Delivery Domains
PMI Guidelines on Project Closure and Lifecycle Completion
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