单项选择题
A.that
B.which
C.where
D.while
单项选择题 The Bill of Lading is described as（）if the shipowners agree that the cargo were received on board in good condition.
单项选择题 The bill of lading cannot vary or add to the terms of the charter-party unless it（）an express provision to that effect.
单项选择题 Sometimes the bill of lading refers to the loading marks inscribed on the goods，and sometimes there（）a statement as to their quality.