The canopy of an inflatable liferaft should（）.<br>A:go into place as the raft is inflated<br>B:be put up after everyone is aboard<br>C:be put up only in severe weather<br>D:be used as a sail if the wind is blowing

The canopy of an inflatable liferaft should（）.
A:go into place as the raft is inflated
B:be put up after everyone is aboard
C:be put up only in severe weather
D:be used as a sail if the wind is blowing

出自：海船船员证

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