The existence of liquids in partially full tanks or compartments of a ship causes a virtual rise in the height of the（）.

A.the load line becomes submerged
B.a non-watertight opening is at still water level
C.offset becomes excessive
D.reserve buoyancy is a maximum

A.metacentric height
B.height of the righting arm
C.fore and aft perpendicular
D.height of the center of buoyancy

A.list
B.heel
C.trim
D.flotation