After the decision briefing, the commander selects the course of action best to accomplish the mission followed with the final planning guidance and refined commander's intent. Based on what COA the commander has decided on, in the military decision-making process, what is now the staff's role after the commander makes a final decision on the best course of action? A. The staff prepares for mission analysis by gathering the needed tools for planning B. The staff prepares the plan or order to subordinate units that reflects the commander's intent C. The staff initiates a planning effort based on the commander's visualization D. The staff looks for critical facts and necessary assumptions based on the commander's intent