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[单选] You are under sail and overtaking a tug and tow.Which action is correct().

A . The power-driven tug must maneuver to avoid collision
B . You must maneuver to avoid the tug and tow
C . You must maneuver to avoid collision only if the tug is to leeward and the wind is on your port side
D . Both vessels are required to maneuver to avoid collisio

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