单项选择题
A.an allision that results in $500 damage to a boat dock
B.an injury to a crewmember，passenger，or other person which requires professional medical treatment beyond first aid
C.grounding of a vessel on a sandbar that does not result in injuries and/or any damage to the vessel
D.None of the above
单项选择题 What is an example of the term Restraint of Rulers，Princes，or Peoples in a marine insurance policy?（）
单项选择题 What is an example of the term “Restraint of Rulers，Princes，or Peoples” in a marine insurance policy? （）
单项选择题 Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.