单项选择题
A.make B.be making C.making D.have made
A.people have to be young to write computer programs B.he wants to stop working when he is a millionaire C.he thinks his firm might go bankrupt D.he thinks computer games might not always sell so well
A.it’s no use staying at school for his work with computers. B.he did not like school. C.he was afraid of getting too old to start computing. D.he wanted to earn a lot of money.