单选题Mariners should ensure correct（）of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.AidentificationBdistinctionCdiscriminationDclearly seeing
单选题
Mariners should ensure correct（）of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.
A
identification
B
distinction
C
discrimination
D
clearly seeing
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