单项选择题

If the towline parts，you should（）.

A.start towing by pushing ahead
B.abandon the towing vessel
C.retrieve the tow bridle
D.relieve strain on the retrieving line

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单项选择题
If the towing bridle legs are not of equal length（）.

A.excessive strain is placed on the shorter leg
B.the shorter leg may fail
C.the longer leg is slack
D.All of the above
单项选择题
If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to（）.

A.change course
B.slow down
C.heave to
D.adjust tow line length
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