I would say D. If your tyres deflate, it's going to be blindingly obvious, a pressure check is not going to be needed. If your brakes are overheating (remember peak temperature is about 15 minutes after application) and you'r risking a fire or glazing or buckling of the discs then you want to know about it. Ops procedures is not my subject, and I sat it over 3 years ago, but that's my best answer.
Royal Navy fire training always warned of the dangers of spreading fire by using CO2 on burning, loose papers. Not sure of the official line on this.