Pan-Canada Delivery Inc Is a Common Carrier

Pan-Canada Delivery Inc is a common carrier.It accidentally damaged an expensive shipment of goods.Nevertheless, it cannot possibly be held liable if

A) it exercised as much care as possible.
B) the damage was caused by a rainstorm.
C) the shipping contract contains a clause that says that "liability will not be imposed for lost goods, whether or not the loss was caused by the carrier's carelessness or fault" and no more.
D) the goods were damaged by an inherent vice.
E) the shipper provided consideration in exchange for Pan-Canada's services.