Simon: I'm a reporter from the Hendon Standard.______________
Celia: Yes, I was standing at the end of Elm Avenue, by the park.
Simon: What happened
Celia: There was a red van traveling west, and several cars and vans behind it.
A．Were you present when the accident happened B．Would you tell me what you have seen C．What a surprise to see you here! D．Did you do anything special just now