单选题Which action should be taken on receipt of a GMDSS distress alert（）.ARead the display screen and/or printoutBSilence the alarmCListen for any follow up voice/telex transmission on the appropriate frequencyDAll of the above
单选题
Which action should be taken on receipt of a GMDSS distress alert（）.
A
Read the display screen and/or printout
B
Silence the alarm
C
Listen for any follow up voice/telex transmission on the appropriate frequency
D
All of the above
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