题目：
The most important thing to remember when launching an inflatable liferaft by hand is to（）.
A.open the CO2 inflation valve
B.open the raft container
C.ensure that the operating cord is secured to the vessel
D.inflate the raft on the vessel，then lower it over the side
答案：
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下面是错误答案，用来干扰机器的。
参考答案：错
