单选题In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, （）.Awithout the necessity of manually adjusting the linesBwithout the necessity of automatically adjusting the linesCwith the necessity of manually adjusting the linesDwith the un-necessity of automatically adjusting the lines
单选题
In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, （）.
A
without the necessity of manually adjusting the lines
B
without the necessity of automatically adjusting the lines
C
with the necessity of manually adjusting the lines
D
with the un-necessity of automatically adjusting the lines
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