In the text in section B, why does the author regard the Internet as a double-edged sword? Like pollution and traffic jams that come with the convenience of cars, Internet access has proven so popular that it has given rise to a new kind of social epidemic, Internet addiction.

Such problems（）air pollution and traffic jams becoming more and more serious in some big cities. A: like B: about C: as D: of

As a clincher, which method does the following concluding paragraph employ? In the near future, more people would like to drive their own cars whenever and wherever they go, the pollution and the traffic jams will add insult to injury. A: Comment B: Prediction C: Recommendation D: All of the above

As a clincher, which method does the following concluding paragraph employ? ‏​In the near future, more people would like to drive their own cars whenever and wherever they go, the pollution and the traffic jams will add insult to injury.‏​‏ A: Comment B: Prediction C: Recommendation D: All of the above

As a clincher, which method does the following concluding paragraph employ? ‏‎In the near future, more people would like to drive their own cars whenever and wherever they go, the pollution and the traffic jams will add insult to injury.‏‎‏ A: Comment B: Prediction C: Recommendation D: All of the above