单项选择题
A.off-center loading
B.stiff characteristics
C.excessive pitch or roll
D.negative initial stability
单项选择题 Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the（）.
单项选择题 Stability is determined principally by the location of the center of gravity and the（）.
单项选择题 Stability is determined principally by the location of the point of application of two forces: the downward-acting gravity force and the（）.