单项选择题 The master of a ship must collect general average contributions for the benefit of those entitled to them，whether they are cargo owners or ship owner，and（）the Shipowner’s lien on the cargo，where necessary，until they are paid.

单项选择题 The invariable result of（）average is that the loss falls on the owner of the particular property which has suffered the damage，whether that damage was due to deliberate sacrifice or to an accident.

单项选择题 The fact that a part of the cargo has already been discharged will not（）the owners of the rest，under all circumstances，from claiming a general average contribution from the Shipowner.