The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.<br>A:horizontal motion of a white flag<br>B:letter K in Morse code given by light<br>C:code flag S as a hoist<br>D:firing of a white star signal

The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.
A:horizontal motion of a white flag
B:letter K in Morse code given by light
C:code flag S as a hoist
D:firing of a white star signal

出自：海船船员证

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