—If people make small changes, like taking buses instead of driving cars, it will make a b

—If people make small changes, like taking buses instead of driving cars, it will make a big difference.
— . Then the traffic will be much better.
A. That’s all right
B. You are right
C. I don’t quite agree
D. Oh, come off it

A. That’s all right(答案→)B. You are rightC. I don’t quite agree D. Oh, come off it解析：句意：上文，如果人们做一些小的改变，像乘公共汽车，而不是开车，它将会产生很大的不同。That’s all right不用谢 You are right你是对的 I don’t quite agree我不完全同意 Oh, come off it别吹牛了，选B。

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