All of the following are distress signals under the Rules EXCEPT（）.<br>A:International Code Signal AA<br>B:orange-colored smoke<br>C:red flares<br>D:the repeated raising and lowering of outstretched arms

All of the following are distress signals under the Rules EXCEPT（）.
A:International Code Signal AA
B:orange-colored smoke
C:red flares
D:the repeated raising and lowering of outstretched arms

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