单选题Aids to navigation marking the intracoastal waterway can be identified by（）.Athe letters ICW after the aid's number or letterByellow stripes，squares，or triangles marked on themCwhite retroreflective materialDthe light characteristic and color for lighted aids
单选题
Aids to navigation marking the intracoastal waterway can be identified by（）.
A
the letters ICW after the aid's number or letter
B
yellow stripes，squares，or triangles marked on them
C
white retroreflective material
D
the light characteristic and color for lighted aids
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