Prior to entering a davit-launched life raft, you should make sure that（）.<br>A:the life raft is well ventilated of excess carbon dioxide<br>B:all personnel have removed their life preservers to facilitate boarding<br>C:the door flap has been cut away and stowed inside the raft<br>D:All of the above

Prior to entering a davit-launched life raft, you should make sure that（）.
A:the life raft is well ventilated of excess carbon dioxide
B:all personnel have removed their life preservers to facilitate boarding
C:the door flap has been cut away and stowed inside the raft
D:All of the above

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