An oil tanker，except as provided for otherwise，might discharge certain amount at certain rate of oil or oily mixtures into sea when（）.<br>A:she is not within a special area<br>B:she is within a special area<br>C:she has just departured from a special area<br>D:she is about to enter a special area

An oil tanker，except as provided for otherwise，might discharge certain amount at certain rate of oil or oily mixtures into sea when（）.
A:she is not within a special area
B:she is within a special area
C:she has just departured from a special area
D:she is about to enter a special area

出自：海船船员证

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