单选

Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry．The starboard lookout reports that the icebreaker has run up the code flag N（November）．What action should you take ________．

A.Reduce speed
B.Stop your engines
C.Reverse your engines
D.Stop your vessel instantly

试题出自试卷《航海英语(甲类船长)航行技术单选题练习1》

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