Each buyer should do his best to

Each buyer should do his best to obtain the most _______ prices.
A、consistent
B、competitive
C、comparative
D、compatible
【正确答案】：B
【题目解析】：句意：每一个购买者都应该尽量得到最有竟争性的价格。competitive price表示“有竟争性的价格”，符合题意。consistent -致的；comparative比较（上）的；compatible协调的。