A、In his bag. B、By the lamp. C、In his house. D、No idea about where he left it. C细节题。题意：男士的笔记本电脑在哪里?根据对话信息可知，男士将笔记本电脑落在家里了，因而答案为C

M: What’s the matter with this little boy?
W: He has a chesty cough all the time. His temperature is high. And he keeps telling me he wants to be sick.
M: Does he bring anything up?
W: No, because he has been off his food for the past two days. He just brings up(呕吐)bile(胆汁).
Q: Which of the following is not the boy’s symptom?

W: What are you looking for?
M: My laptop. I can’t find it in my bag or anywhere.
W: I can’t remember you carrying it here. Think about it one more time.
M: That’s right. I left it at home.
Q: Where is the man’s laptop?