A red triangular daymark marks（）.<br>A:the centerline of a navigable channel<br>B:the starboard side of a channel<br>C:a prominent object of navigational interest that has no lateral significance<br>D:area of a channel where passing another vessel is permitted

A red triangular daymark marks（）.
A:the centerline of a navigable channel
B:the starboard side of a channel
C:a prominent object of navigational interest that has no lateral significance
D:area of a channel where passing another vessel is permitted

出自：海船船员证

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