单项选择题
A smooth，tapered pin，usually of wood，used to open up the strands of a rope for splicing is called a(n)（）.
A.batten B.bench hook C.awl D.fid
单项选择题 A short splice in a line（）.
单项选择题 A sail hook is used for（）.
单项选择题 A rolling hitch can be used to（）.
