单项选择题

In most cases，when a large merchant vessel enters shallow water at high speed the（）.

A.maneuverability will increase
B.speed will increase
C.bow will squat farther than the stern
D.vessel will rise slightly，on a level plane

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狭水道、冰区与运河航行

In most cases，when a large merchant vessel enters shallow water at high speed the（）.