单项选择题
A semisubmersible with a positive GM，and TCG located starboard of the centerline，inclines to an angle of（）.
A.heel B.trim C.list D.loll
单项选择题 A semisubmersible with a negative GM flops to an angle of（）.
单项选择题 A semisubmersible which flops between forward and aft angles of trim is likely to have（）.
单项选择题 A semisubmersible rig under tow should be ballasted down if（）.
