The use of the danger signal（）.<br>A:replaces directional signals<br>B:makes the other vessel the stand-on vessel<br>C:indicates doubt as to another vessels actions<br>D:is the same as a MAYDAY signal

The use of the danger signal（）.
A:replaces directional signals
B:makes the other vessel the stand-on vessel
C:indicates doubt as to another vessels actions
D:is the same as a MAYDAY signal

出自：海船船员证

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