Should any of the goods be found not up to the sample, we would

Should any of the goods be found not up to the sample, we would undertake to replace them _______ a new consignment.
A、by
B、for
C、of
D、per
【正确答案】：A
【题目解析】：句意：如果发现任何产品与样品不符，我方将用新的货物替代它们。replace A with/b/ B表示 “用B代替A”。