单选题Which is TRUE of a stiff vessel? （）AIt has a small GMBIt pitches heavilyCIt has an unusually high center of gravityDIts period of roll is short
单选题
Which is TRUE of a stiff vessel? （）
A
It has a small GM
B
It pitches heavily
C
It has an unusually high center of gravity
D
Its period of roll is short
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