A project manager discovers that a project problem has occurred. The problem was never discussed during risk planning activities or added to the risk register, and it will now cost the project money. What is the BEST response?

A. Don’t take any action, just accept that there’s a problem that the team did not plan for B. Stop all project activity and approach senior management for advice C. Add the risk to the risk register and gather information about its probability and impact D. Use the management reserve to cover the costs of the problem