Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）

A.Press up the slack NO.1 starboard double bottom tank

B.Pump out the forepeak tank

C.Eliminate the water in the 'tween decks aft