A、On a street. B、In a workshop. C、On a sports ground. D、In a hospital. D对话中女士的儿子摔伤了，男士说他是医生，应尽快把孩子送到急诊室。表明对话发生在医院。

W: Excuse me, what are you reading in the newspaper?
M: I’m reading a piece of information about house agents. I’ve been looking for a house for along time. But until now, I still can’t find the proper house I want.
Question: What is the man’s problem?

W: Hello? Hello? We need some help here, quick!
M: Hello, ma’am, I’m a doctor. How can I help you?
W: My son fell off his bicycle and hurt himself pretty badly.
M: OK. Let’s take him into this emergency room over here and I’ll have a look.
W: Thank you.
Question: Where is the conversation likely to take place?