单项选择题 If the Shipowner can only show that some part of the damage to the goods was due to a cause within the exception，he must also show how much of the damage is comprised in that part，otherwise he is liable（）.

单项选择题 If the ship is disabled by excepted perils while completing a voyage on which she was（）at the time of chartering，the Shipowner will not be excused.

单项选择题 If the ship cannot finish the voyage，the Shipowner must forward the goods by some other means （）his claim to freight is lost.