单选题A towing light is（）.Ashown below the sternlightBwhite in colorCdisplayed at the mastheadDa yellow light having the same characteristics as the stern light
单选题
A towing light is（）.
A
shown below the sternlight
B
white in color
C
displayed at the masthead
D
a yellow light having the same characteristics as the stern light
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