题目内容：

The evidence for harmony may not be obvious in some families. But it seems that four out of five young people now get on well with their parents, which is the opposite of the popularly held image of unhappy teenagers locked in their room after endless family quarrels.

An important new study into teenage attitudes surprisingly shows that their family life is happier than it has ever been in the past. “We were surprised by just how positive today’s young people seem to be about their families,” said one member of the research team. “They’re expected to be rebellious（叛逆的）and selfish but actually they have other things on their minds; they want a car and material goods, and they worry about whether school is serving them well. There’s discussion between parents and children, and children expect to take part in the family decision-making process. They don’t want to rock the boat.”

So it seems that these parents are much more likely than parents of 30 years ago to treat their children as friends. “My parents are happy to discuss things with me and willing to listen to me,” says 17-year-old Daniel LaSalle. “I always tell them when I'm going out clubbing. When they know what I'm doing, they’re fine with it.” Susan Cromer, who is now 21, agrees. “Looking back on the last 10 years, there was a lot of what you could call talk or discussion. For example, when I’d done all my homework, I could go out on a Saturday night. But I think my grandparents were a lot stricter with my parents than that.”

Maybe this positive view of family life should not be unexpected. It is possible that the idea of teenage rebellion is not based on real facts. A researcher explains, “Teenagers were thought to be different from others in a part of time in our social history. But to our surprise, they say they are getting on well with their parents. But that idea of rebelling and breaking away from their parents really only happened during that one time in the 1960s when everyone rebelled.”

1.The study shows that teenagers don't want to ______________________.

A. share family duties

B. cause trouble in their families

C. go boating with their family

D. make family decisions

2.Compared with parents of 30 years ago, today’s parents ___________________.

A. go to clubs more often with their children

B. are much stricter with their children

C. care less about their children’s life

D. give their children more freedom

3.According to the writer, teenage rebellion ____________________.

A. may be a wrong opinion

B. is common at present

C. always happened in the 1960s

D. was caused by changes in families

4.Which title best gives the main idea of the passage?

A. Discussion in family

B. Teenage education in family

C. Teenage trouble in family

D. Harmony in family