问题
单项选择题
The lifeline of a life float or buoyant apparatusshall().
A.be at least 3/8 inch diameter and properly secured around the sides and ends of the device
B.be festooned in bights not longer than three feet long
C.have a seine float in each bight unless the line is an inherently buoyant material
D.All of the above
答案
参考答案:D