【正确答案】 A

【答案解析】[听力原文]
   W: Hi, John. How are things going?
   M: Oh, hi. Fine. How about you?
   W: You can probably tell just by looking at me. I'm really busy.
   Well, what are you reading?
   M: A very interesting article. My biology professor assigned it. I thought I would just look it through, but I got really involved in it. It's about endangered species.
   W: That sounds pretty interesting. I'm getting frustrated with the two research papers I'm struggling with.
   M: Oh?
   W: Besides, they are both due on the same day. It's unbelievable.
   M: That's tough.
   W" I'll get through it. So what's this you are reading?
   M: Well, it's basically about the choices conservationists are facing with. You know, these days funding is so hard to come by.
   W: Wait a minute. Is the focus on biology or economics?
   M: Both. Conservationists don't have enough funding to save every endangered species in the world, so they have to decide, based on what would be lost if a species became extinct.
   W: Can you give me an example of what you mean?
   M: Take for instance, two animals, the spotted owl and the tailed toad. The article says the toad is unique. It has no relatives. But there are a lot of varieties of owls.
   W: So, if that toad became extinct, we'd lose an important link in the chain of evolution, right?
   M: Exactly. But that isn't so for the owl. So for conservationist, it might be a clear choice of which animal to save.
   What is the man doing?
细节题。女士直接问男士“What are you reading?”，可知男士是在阅读。男士答道，他在读一篇非常有意思的文章，是关于濒危物种的。而后，两人就文章的内容展开了讨论。