單項(xiàng)選擇題

While proceeding to a distress site,you hear the words “Seelonce mayday” on the radiotelephone.Which action should you take().

A.Resume base course and speed as your assistance is no longer required
B.Acknowledge receipt and advise your course,speed,and ETA
C.Relay the original distress message as no other vessel has acknowledged it
D.Monitor the radiotelephone but do not transmit

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