When a concern is escalated by a key stakeholder, the project manager should first clarify the concern directly with the stakeholder. This ensures accurate understanding before taking corrective actions with the team.
The PMBOK Guide - Seventh Edition stresses effective stakeholder engagement, communication, and managing concerns early.
Option A involves the team too early without context.
Option B skips clarification and jumps into defense.
Option C assumes team fault without stakeholder input.
References:
PMBOK Guide - Seventh Edition, Stakeholder Performance Domain
PMI Communication Management Guidelines