单选题Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）ACrossing the spring linesBSlacking all forward running lines while keeping all after running lines tautCDoubling up on spring or breast linesDSlacking bow and stern lines
单选题
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
A
Crossing the spring lines
B
Slacking all forward running lines while keeping all after running lines taut
C
Doubling up on spring or breast lines
D
Slacking bow and stern lines
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