单项选择题
Semisubmersibles A and B are identical. However，A is more tender than B. This means that A relative to B has a（）.
A.lower KG B.smaller GM C.smaller roll angle D.larger GZ
单项选择题 If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
单项选择题 The original equilibrium position is stable when（）.
单项选择题 A continual worsening of the list or trim indicates（）.
