单选题When launching a lifeboat in the rough sea, the davit gears should be released（）.Abefore the boat is lowered from the stowed positionBas the boat fall blocks break clear of the davit headCbefore the boat is lowered from the embarkation levelDafter the boat is released into the water
单选题
When launching a lifeboat in the rough sea, the davit gears should be released（）.
A
before the boat is lowered from the stowed position
B
as the boat fall blocks break clear of the davit head
C
before the boat is lowered from the embarkation level
D
after the boat is released into the water
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