All stations which receive a distress alert shall immediately cease（）.<br>A:any transmission<br>B:any harmful transmission<br>C:to use radiotelephone<br>D:using radiotelephone

All stations which receive a distress alert shall immediately cease（）.
A:any transmission
B:any harmful transmission
C:to use radiotelephone
D:using radiotelephone

出自：海船船员证

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