單項選擇題

MV ATLANTIC AT 0205UTC A BLACK FLOATING MINE WAS SIGHTED IN APPROX POSITION LAT 15.30N LONG 112.30E DANGEROUS TO NAVIGATION VESSELS IN VICINITY. According to this cable,the mine().

A.has nothing to do with navigation
B.dangerous to navigation
C.the mine is drifting with the wind
D.the mine is not sighted by the vessel

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