单项选择题
A mooring line that prevents a vessel from moving sideways away from the dock is a（）.
A.bow line B.breast line C.stern line D.spring line
单项选择题 A mooring line that checks forward motion of a vessel at a pier is a（）.
单项选择题 A mooring line leading at nearly right angles to the keel is a（）.
单项选择题 A mooring line leading 45°to the keel，used to check forward or astern movement of a vessel，is called a（）.
