分类：教育/科学-学习帮助
问题：一道高中英语题Theywantedtocharge$5,000f 
They want to charge$5,000for the car,___we managed to bring the price down.A.butB.soC.whenD.sinceThe answer is A,why?
回答：选A,题目的意思是他们想让我们出$5000买这辆车,但我们希望可以把价格降下来点.前后转折,所以选"but"