When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.<br>A:prevent the towboat from sliding when the rudder is moved<br>B:prevent the barges from spreading out when backing down<br>C:hold the towboat securely to the barges<br>D:prevent the sidewise movement of the face barges

When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.
A:prevent the towboat from sliding when the rudder is moved
B:prevent the barges from spreading out when backing down
C:hold the towboat securely to the barges
D:prevent the sidewise movement of the face barges

出自：海船船员证

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