题目：
Which statement is TRUE concerning the gooseneck（）.
A.It is a sailing maneuver which brings the vessel's head through the wind
B.It connects the boom to the mast and allows the boom to swing freely
C.It is a sailing condition where there is a loss of air flow over the sails
D.None of the above
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B
