What is the purpose of this passage ? Sugar changed the World

According to the article, what is the author's point of view toward rebellion in adolescence (i.e. good, bad, necessary evil)? cite evidence from the text in your answer. (source is rebel with a cause: rebellion in adolescence)

Bicycle riding should be encouraged, and adding bicycle lanes will increase the number of riders. it is healthier for people to ride than to sit angrily in traffic. it is healthier for everyone to breathe cleaner air. sharing the road can be tricky, but there are things that can be done. so, add the bike lanes and get rolling! which sentence would improve this conclusion? every town should consider adding bicycle lanes, because it is a great idea. organizing safety classes for drivers and cyclists will ensure that everyone knows the rules. do not listen to negative people who complain about anything new. it is true that some people might get injured, but even walking can be dangerous.

Think about the noes story. which fits best on the blank line above?