No oil or mixture containing oil（）into Singapore waters from any vessel.<br>A:shall not be discharged<br>B:shall be discharged<br>C:shall be filled<br>D:shall not be filled

No oil or mixture containing oil（）into Singapore waters from any vessel.
A:shall not be discharged
B:shall be discharged
C:shall be filled
D:shall not be filled

出自：海船船员证

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