Your vessel is damaged and is listing to port.The rolling period is short .There is sufficient freeboard so that deck edge submersion is not a problem.What corrective action should be taken FIRST in regard to the vessel’s stability？

A.A .press up any slack double-bottom tanks to eliminate free surface.

B.Flood any empty double-bottom tanks to add weight low and down

C.Jettison topside weights to reduce KG and KB

D.D .shift any off-center weights from port to starboard

正确答案：D .shift any off-center weights from port to starboard