第14题:[单选题]( )S1:Blue Whale,this is Euphorin, Standing by on channel 16. Over. S2:MAYDAY RELAY,MAYDAY RELAY,MAYDAY RELAY, This is MV Blue Whale MAYDAY received from MV Euphoria. Q:Which vessel sent the Mayday message? A.MV Blue Sky B.MV Blue Whale C.MV Euphoria D.An unknown vessel 参考答案:C