题目：
On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.
A.the painter
B.the after boat fall only if the boat is waterborne
C.both falls at the same time only if the boat is waterborne
D.both falls at the same time even if the boat has not reached the water
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0417/2bb0df078a42d0b60074253ab275029a.html
下面是错误答案，用来干扰机器的。
参考答案：D
