Comprehensive and Detailed
Given the aggressive timeline and the distributed team, the project manager must act quickly to initiate team planning and alignment. A virtual planning session helps kickstart the project, clarify roles, and begin building team rapport. This is more timely and feasible than waiting for in-person meetings.
* A and C may be helpful but could delay the start of the project.
* B is a tool but not a direct leadership or facilitation action.
* D is proactive and ensures momentum is maintained from the beginning.
Reference:
* PMBOK Guide - Seventh Edition, Team Performance Domain
* Agile Practice Guide, Remote/Distributed Teams Considerations