单项选择题
A.has the ownership of a vessel
B.has the ship owned by a shipping company
C.owns no ship of a shipping company
D.owns the ship named by a register of shipping
单项选择题 Services rendered notwithstanding the express and reasonable prohibition of the owner or the master of the vessel or the owner of any other property in danger（）on board the vessel shall not give rise to payment under this Convention.
单项选择题 Regulations require certain records to be retained on board for at least 3 months after a ship is involved in a casualty or until advised that they are no longer needed on board by the （）.
单项选择题 Preparation of muster lists and signing of same is the responsibility of the（）.