阅读下列短文，根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
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In many parts of the world, cars play an important role in daily life and many societies would not exist without them. 71 But this is the prediction made by a team of transport researchers who are taken seriously, not only by government but also by ear manufacturers．
