单项选择题
A（） leads at right angles to the center line from the forecastle to the shore.
A. fore spring line B. fore breast line. C. head line D. stern line
单项选择题 （）leads forward from the port or starboard quarter to the shore.
单项选择题 A （）leads aft from the forecastle to the shore.
单项选择题 A （）leads afterward from the stern to the shore.
