单项选择题
听下面一段对话,回答下列问题。
M: So what happened, madam
W: Well, I saw this old man. He was kind of holding his bag like this. He just left the bank and I was still queuing up to collect my money, but I was near the door. Now this young man came running past him and tried to get the bag.
M: And they both fell down
W: Yeah, and the young man ran away, and the poor old man fell on the sidewalk, still holding his bag tightly. And we managed to help him up. Now can I go back to collect my money
M: Would you mind coming with us, madam We need more information.
A. A director.
B. A client.
C. A policeman.