单选题When underway in a channel,you should keep to the（）.Amiddle of the channelBstarboard side of the channelCport side of the channelDside of the channel that has the widest turns
单选题
When underway in a channel,you should keep to the（）.
A
middle of the channel
B
starboard side of the channel
C
port side of the channel
D
side of the channel that has the widest turns
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