How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）<br>A:The further forward and closer to amidships the more readily the tug will trip<br>B:Placement further aft permits more effective pulling，better steering and eliminates the danger of tripping<br>C:Installing the bitts down low lowers the center of gravity<br>D:The height and position of towing bitts has no significance

How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）
A:The further forward and closer to amidships the more readily the tug will trip
B:Placement further aft permits more effective pulling，better steering and eliminates the danger of tripping
C:Installing the bitts down low lowers the center of gravity
D:The height and position of towing bitts has no significance

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