On a bulk chemical carrier，water should NOT be used as an extinguishing agent to fight a fire if the water may come into contact with the chemical called（）.

A.fire stations aboard the vessel，except for those in open deck areas weatherdeck and cargo hold fire stations
B.interior fire stations
C.engine room fire stations
D.all of the above

A.by the bow
B.by the stern
C.at the end nearest the bottom
D.evenly fore and aft

A.stringers
B.side frames
C.side stiffeners
D.intercostals