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单选题
When towing in an open seaway，it is important to use a towing line（）.
A
made only of wire rope，due to possible weather conditions
B
that will have the tow on a crest while your vessel is in a trough
C
that will have the tow on a crest while your vessel is on a crest
D
with little dip to gain maximum control of the tow
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