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單項選擇題

A vessel constrained by her draught shall,when risk of collision with another vessel in a crossing or head-on situation exists,().

A.apply the relevant Steering and Sailing Rules as a power-driven vessel
B.apply the relevant Steering and Sailing Rules as a Sailing vessel
C.apply the relevant Steering and Sailing Rules as a vessel not under command
D.apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operation

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