单项选择题
A.forward spring line and going slow ahead on the inboard engine
B.after spring line and going slow astern on the outboard engine
C.forward spring line and going slow ahead on both engines
D.forward spring line and going slow ahead on the outboard engine
单项选择题 A twin-screw ship going ahead on the starboard screw only tends to move（）.
单项选择题 A twin screw vessel，making headway with both engines turning ahead，will turn more readily to starboard if you（）.
单项选择题 A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）