【正确答案】 D

【答案解析】[听力原文]4-7 W: Sir, you've been using the Online Catalogue for quite a while; is there anything I can help you find? M: I've got to write a paper about Hollywood in the 30s and 40s, and I'm really struggling. There are hundreds of books, and I just don' t know where to begin. W: Your topic sounds pretty big. Why don't you narrow it down to something like.., uh... the history of the studios during that time? M: You know, I was thinking about doing that, but more than 30 books came up when I typed in "movie studios." W: You could cut that down even further by listing the specific years you want. Try adding "1930s" or "1940s" or maybe u Golden Age". M: "Golden Age" is a good idea. Let me type that In...Hey, look, just 6 books came up that time. That's a lot better. W: Oh...another thing you might consider...have you tried looking for any magazine or newspaper articles? M: No, I've only been searching for books. W: Well, you can look up magazine articles in the "Reader' s Guide to Periodical Literature." And we do sub- scribe to "The Los Angeles Times." You might go through their index to see if there's anything you want. M: Okay. I think I'll get started with these books and then I'll go over the magazines. W: If you need any help, I'll be over at the Reference Desk. M: Great, thank you. 此题是推理分析题，根据语境及对话"Sir, you've been using the Online Catalogue for quite a while..." 可知答案是D。