캠브릿지6리딩질문이요~

캠브릿지6 Test 2 리딩 pg 40에서 4번 질문이요~지문이 일단
paragraph D: Newman believes one of the best studies on how cities built for cars might be converted to rail use is The Urban Village report, which used Melbourne as an example. It found that pushing everyone into the city centre was not the best approach. Instead, the proposal advocated the creation of urban villages at hundreds of sites, mostly around railway stations.이 지문에 알맞는 헤딩을 구하는건데..
1. Avoiding an overcrowded centre
2. A successful exercise in people power
3. The benefits of working together in cities
4. Higher incomes need not mean more cars
5. Economic arguments fail to persuade
6. The impact of telecommunications on population distribution
7. Increases in travelling time
8. Responding to arguments against public transport

답이 왜 1. Avoiding an overcrowded centre 인지 궁금합니당. 설명부탁드려요~