Speaker A:Excuse me,could you tell me how to get to the railway station?
Speaker B:()
A.Yes, of course I can.
B.Well, you'd better not ask a stranger.
C.Sorry. I'm a stranger here myself.
D.Yes, you can take a taxi. It's more expensive, but it's quicker.
A.稳定性
B.科学性
C.坚定性
D.现实可能性