The following statement about cargo hold fire fighting is correct.
A.The cargo compartment is equipped with 8 fire extinguishing bottles. Press the FWD or AFT CARGO FIRE ARM electric door to pre-position these fire extinguisher bottles. B.Provides 240 minutes of ETOPS operation for cargo hold fire suppression. C.In-flight, a fire warning from the cargo compartment fire detection system causes all four fire extinguishing bottles to be released into the affected cargo compartment, with the remaining two released at a reduced flow rate 15 minutes later. D.On the ground, if the CARGO FIRE DISCHSRGE electric door is pressed, 2 fire extinguishing bottles are released simultaneously to the selected cargo compartment, followed by the release of a third fire extinguishing bottle with reduced flow.正确答案B
