The stability which exists after the unintentional flooding of a compartment on a ship is called（）.

A.submerged hulls
B.column void spaces
C.dry mud tanks
D.ballast tanks

A.turning effect of the force about a point
B.instantaneous value of the force
C.stability characteristics of the vessel
D.center of gravity location

A.the limit of positive stability
B.the limit of small-angle stability
C.maximum offset
D.downflooding