【单选题】

Speaker A: Excuse me, could you tell me where the entrance to the subway isSpeaker B: ______
A．Sorry. I'm not here to give directions.

B．Sure. You see that bank down there on the left It's just after the bank.
C．Why don't ask the policeman over there He must know its location very clearly.
D．Yes, but I wonder where you'd like to go by subway.