A、4000. B、5000. C、1300. D、3100 B大陆来旅客总数占总数的1／3。

W: Tom, what happened? How come you are limping?
M: Someone smashed into my new car. I’m not really hurt. Thanks to my safe-belt.
Q: Why was the man not seriously injured in the accident?

W: Hong Kong Disneyland opened on Monday with a total 15, 000 visitors.
M: Yeah. Visitors from mainland accounted for one third of the total.
Q: How many visitors came from the mainland?