题目6单选题
127, What action should be taken once you've sent a false distress alert on MF-DSCA. , Make a voice announcement to cancel the alert on 2,187. 5 kHzB. , Make a voice announcement to cancel the alert on 2,174.5 kHzC. Make a voice announcement to cancel the alert on 2,182.0 kHzD. , Send another DSC alert and follow on with voice on 2,182.0 kHz