【单选题】If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?
A.
Fixed CO2, semi-portable CO2, then hand portable CO2
B.
Semi-portable CO2, fixed CO2, then hand portable CO2
C.
Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system
D.
Hand portable, fixed CO2, then as a last resort the semi-portable CO2