单项选择题 It has been held that the Shipowner will be liable for the loss of or damage to the goods even if this is due to excepted perils，unless he can prove that he has（）proper care of them whilst they were in his custody.

单项选择题 It has been decided that a collision due to any cause other than the negligence of the Shipowner or his servants is within the scope of（）.

单项选择题 In the event of a casualty to a vessel，who is responsible to make records available to the governmental official authorized to investigate the casualty? （）.