先通读下面的短文，掌握其大意，然后从A、B、C三个选项中选择最佳答案。
Cars are very popular in America. When the kids are fourteen years old. They dream of having their own 1. Many students work after school to 2 a car. In most places 3 people learn to drive in high school. They have to take a 4 test to get a license. Learning to drive and getting a driver's 5 may be one of the most exciting things in their lives. For many, that piece of paper is an important symbol(象征)that they are now grown-ups.
Americans seem to love their cars almost more than anything else. People almost never go to see a doctor when they are 6. But they will take 7 cars to a “hospital” at the smallest sign of a problem. At weekends, people 8most of the time in washing and waxing(打蜡) their cars. For some families it is not enough to have 9 car. They often have two or even three. Husbands need a car to go to work. Housewives need a car to go shopping or to take the children to school or 10 activities.
，则该粒子是（ ）