As you approach mile 427.6 AHP，you see on the right side a white buoy with orange bands and diamond. This buoy marks（）.<br>A:a cable crossing<br>B:a sunken barge<br>C:a submerged discharge pipe<br>D:the end of a wharf

As you approach mile 427.6 AHP，you see on the right side a white buoy with orange bands and diamond. This buoy marks（）.
A:a cable crossing
B:a sunken barge
C:a submerged discharge pipe
D:the end of a wharf

出自：海船船员证

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