When conflict arises between team members, especially around assumptions or decisions, the project manager should address the root cause while reminding the team of the project's priorities. Discussing the schedule impact emphasizes collaboration over personal preference. The PMBOK Guide - Seventh Edition encourages timely conflict resolution and prioritization of project objectives over individual views. Option A is not a collaborative or long-term solution. Option B is extreme and not the first course of action. Option C may overlook critical input and reduce team trust. References: PMBOK Guide - Seventh Edition, Team Performance Domain PMI Conflict Resolution and Stakeholder Collaboration Guidelines ##############################################