单项选择题
A.reducing speed to reduce surging on the towline
B.lashing down or stowing all loose gear
C.dogging all hatches and watertight doors
D.streaming all of your towing hawser
单项选择题 Given the same water depth and line tension，the holding power of a 19 pound/foot wire rope mooring system in comparison to the holding power of a 90 pound/foot chain mooring system will be（）.
单项选择题 Generally，when lifting an inflatable liferaft back aboard ship，you would use the（）.
单项选择题 Generally，what is used to inflate liferafts?（）