A structure fire shows heavy, black, pressurized smoke, little to no visible flame, and extreme interior heat. The building appears ventilation-limited. ❓Which action BEST reduces the risk of a backdraft under these conditions? A. Forcing entry immediately to improve interior visibility B. Rapidly increasing ventilation openings to release heat and smoke C. Coordinating controlled ventilation while cooling the hot gas layer D. Delaying action until visible flame confirms active combustion #fires