情景对话。

(O: Operator L: Li Dong)

O: Hello, Emergency Line.__1__

L: Yes.I am calling to report you an accident.

O: __2__

L: A truck hit a car on highway 320.

O: Has anyone been badly hurt?

L: __3__The driver of the truck says he is OK.But the woman must have had her leg broken.

O: __4__

L: Li Dong.

O: OK.Mr Li.We will immediately send an ambulance and a police car.It is 11?55 now, and they should be there by 12?00.__5__

L: That is nothing.

A. Thanks very much.

B. What can I do for you?

C. You are so great.

D. Would you please give me some details, sir?

E. I am not quite sure.

F. May I have your name, sir?

G. What happened?

乘坐长江客轮的免票几童可随身携带的免费行李重量为（）。

A．30kg

B．10kg

C．15kg

D．20kg