As far as I am concerned, if the destination is not far away, bicycle is a much better choice. For one thing, the number of cars has increased so faster that you may easily get stuck in the traffic jam wasting your precious time in the rush hour. For another, riding a bicycle takes the same amount time as using public transportation or a private car and it is obviously more convenient, time saving and environmentally friendly.

　　For a better and greener world, let’s choose bicycles as our main means of transport.

　　阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。

　　(2017·南昌市二模，C)

　　“Plants were expected to get larger with increased carbon dioxide in atmosphere, but

　　changes in temperature, humidity and nutrient availability seem to trumped the benefits of

　　increased carbon dioxide，” said researchers from the National University of Singapore.

　　45 percent of the species studied now reach smaller adult sizes than they did in the past. The

　　researchers pointed out that warmer temperatures and changing habitats, caused by climate

　　change, are possible reasons for shrinking creatures.

　　“We do not yet know the mechanisms involved, or why some organism are getting smaller while others are unaffected，” the researchers said. “Until we understand more, we could be risking negative consequences that we can't yet quantify.”

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