Which statement is TRUE concerning fire hose on a small §passenger vessel?

A
Fire hose shall be at least 3/4" outside diameter.
B
One length of fire hose shall be provided for every two fire hydrants.
C
All fittings on hoses shall be of steel or other ferrous metal.
D
A length of hose with nozzle attached shall be attached to each fire hydrant at all times.
E