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

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

出自：海船船员证

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