A、In an office. B、In a restaurant. C、In a department store. D、In a factory. D男士问：“谁将糖果装入盒子里?”，女士话中的“自动计数”，“机器”以及“我马上带你去看”，表明对话发生

W: Thank heavens! You’re back safe and sound. Everyone was worried on hearing about the air crash. And I had so many sleepless nights!
M: Yes, I know your feeling, dear! Even I myself don’t know how I escaped it. I was the only lucky guy.
Q: What do we learn from the conversation?

M: Well, I just wonder who puts the candies into the boxes?
W: It is done by a machine, which is able to count the candies automatically. Please, this way. I’ll show you right away.
Q: Where does this conversation probably take place?