Q: Read the following article and answer the question. Article: In a world today of immense technology, population growth and economic flourish, planning for future residential and commercial developments needs careful analysis with well thought through assumptions about effects on the environment and the people of the community. One example of a growing city is Wooster, Ohio, my place of residency, Wooster in the last five years has grown considerably in population, leading to a growth in commercial business. Surrounded by farmland, Wooster's planning commission chose to extend the community into these farm areas in the form of residential and commercial areas. Picture this--corn fields, old trees, clean air, country roads, and wildlife are all part of the area. Within four years, the people living on this farm step outside on their front porch to view an extensive shopping center containing Wal-Mart, McDonald's, Wendy's, TCBY, and a Cinemark movie theatre. The once quiet road is now a city street with traffic lights, busy with automobiles day and night. The air smells of car exhaust and fast food. Some destruction of farmland is unavoidable when a city expands. Instead of expanding outward, planning commissions should consider interior _ of a city. Tearing down unusable buildings could remodel many areas inside the city. In addition, commercialized buildings could extend upwards to avoid unnecessary use of land. Environmentally, commercial expansion is harmful to the land. Besides forms of pollution, wildlife, including both plants and animals, is put at risk. A planning commission could have realized the benefits of environmental protection. Why not preserve the beauty and naturalness of the land while at the same time allowing for growth? With a steady growth of population and the need for more homes and more workplaces, many problems arise when planning for the future. The hillsides, fields and animal habitats need to be preserved while expanding cities. In the future, a world covered with concrete and asphalt could become reality. Serious research and analysis... Question: Which of the following sentences best expresses the main idea of the passage? Answer:

OPT: 1). Planning for future residential and commercial developments has bad effects on the environment and the living things.. 2). With a safety growth of population, more homes and more workplaces are needed.. 3). With immense technology, population growth and economic prosperity, we need to plan for the future.. 4). When planning for future developments, effects on the environment should be taken into account..
A:
4).