参考答案：B

解析：[听力原文]W: Jack worked as a secretary for three years. Then he became a newspaperman. After that, he started writing novels.M: I know. And he has been doing nothing else ever since.Q: What is the man’s occupation now [详细解答] 女士说杰克先干了三年秘书，接着当了新闻记者，从那以后就开始写小说；男士又加了一句说从那以后他就没干别的了，也就是说他一直在写小说，即He is a novelist now.