【单选题】Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include______.
A.
approved oily-water separating equipment
B.
a fixed or portable containment system at the shore connection
C.
a spare pump in case the main pump is inoperative
D.
at least one outlet accessible from the weather deck