单选题An airplane should NOT send which signal in reply to a surface craft?（）AOpening and closing the throttleBRocking the wingsCFlashing the navigational lights off and onDFlashing Morse T
单选题
An airplane should NOT send which signal in reply to a surface craft?（）
A
Opening and closing the throttle
B
Rocking the wings
C
Flashing the navigational lights off and on
D
Flashing Morse T
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