材料： The carrier is entitled，at port of shipment and / or port of discharge，to verify the quantity，weight，measurement and contents of the goods as declared by the merchant．If the weight，measurement，and / or contents of such goods as stated in the bill of lading turn out to be inconsistent with that of the goods actually loaded，and the freight paid falls short of the amount which would have been due if such declaration had been correctly given，the carrier is entitled to collect from the merchant as liquidated damages to the carrier double the amount of difference between the freight for the goods actually shipped and that mis-stated．The merchant shall be liable for loss of and damage to the vessel and / or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents of the goods and shall indemnify the carrier for the costs and expenses in connection with weighing，measuring and checking such goods． 问题： A cargo of 1000 tons was actually shipped with the freight rate of US$10 per ton, but the shipper declared that it was 800 tons and the freight paid short accordingly. The carrier is entitled to claim from the shipper as liquidated damages the sum of US$ ______． A.2000 B.8000 C.4000 D.10000 The carrier is most likely to verify ______ of the goods．A.the weight B.the description C.the marks D.the damages The purpose of this clause is to protect the interests of ______ ．A.the carrier B.the shipper C.the merchant D.all the parties concerned Damages caused by inaccuracies in stating the description，quantity，weight，measurement or contents of the goods will be responsible by ______．A.the carrier B.the shipper C.the owner D.the consignee