单选题When launching an open lifeboat by falls，the boathooks should be（）.Asecured forward and aft where readily availableBsecured amidships where they will not hinder the personnelCused for fending offDused for picking up survivors in the water
单选题
When launching an open lifeboat by falls，the boathooks should be（）.
A
secured forward and aft where readily available
B
secured amidships where they will not hinder the personnel
C
used for fending off
D
used for picking up survivors in the water
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