单选题A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.Adirectly astern and pushing the towBtowing on a hawserCtowing alongside and parallel to the vessel it is towingDtowing on the hip
单选题
A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.
A
directly astern and pushing the tow
B
towing on a hawser
C
towing alongside and parallel to the vessel it is towing
D
towing on the hip
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