单选题Safe speed is defined as that speed where（）.Ayou can stop within your visibility rangeBthe vessel is not subject to vibrationsCyou are traveling slower than surrounding vesselsDyou can take proper and effective action to avoid collision
单选题
Safe speed is defined as that speed where（）.
A
you can stop within your visibility range
B
the vessel is not subject to vibrations
C
you are traveling slower than surrounding vessels
D
you can take proper and effective action to avoid collision
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