15. Your position is ____ 050 degrees and distance 2 nautical miles from the lighthouse.
(A) course
(B) bearing
(C) heading
(D) rolling
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統計: A(33), B(106), C(24), D(3), E(0) #1974035
統計: A(33), B(106), C(24), D(3), E(0) #1974035