Entering from seaward，triangular-shaped daymarks are used to mark（）.<br>A:the starboard side of the channel<br>B:the centerline of the channel<br>C:an obstruction where the preferred channel is to starboard<br>D:special purpose areas

Entering from seaward，triangular-shaped daymarks are used to mark（）.
A:the starboard side of the channel
B:the centerline of the channel
C:an obstruction where the preferred channel is to starboard
D:special purpose areas

出自：海船船员证

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