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. 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. Shift any off-center weights from port to starboard