根据下面内容，回答 60 ~63 题： BComputer programmer David Jones earns￡35,000 a year designing new computer games， yet he cannot find a bank ready to let him have a credit card(信用卡)．Instead，he has been told to wait another two years，until he is 18．The 16-year-old works for a small firm in Liverpool， where the problem of most young people of his age is finding a job.David’s firm releases(推出) two new games for the fast growing computer market each month. But David’s biggest headache is what to do with his money．Even though he earns a lot, he cannot drive a car, take out a mortgage(抵押贷款)，or get credit cards．David got his job with the Liverpool-based company four months ago，a year after leaving school with six O-levels and working for a time in a computer shop．“I got the job because the people who run the firm knew I had already written some programs，” he said．David spends some of his money on records and clothes，and gives his mother 50 pounds a week．But most of his spare time is spent working. “Unfortunately, computing was not part of our studies at school,” he said．“But I had been studying it in books and magazines for four years in my spare time．I knew what I wanted to do and never considered staying on at school．Most people in this business are fairly young， anyway.”David added：“l would like to earn a million and I suppose early retirement(退休)is a possibility．You never know when the market might disappear．” 第5题：In what way is David different from people of his age?