根据对话内容，从对话后的选项中选出能填入空白处的最佳选项．选项中有两项为多余选项．

Carl： (1)

Mary：Why, yes. It's very far from here. You'll have to take the No. 13 bus.

Carl： (2)

Mary：Yes, when you get off the bus, you'll find the station just in front of you.

Carl：Good, but (3)

Mary：Go straight along the road and then turn right at the second crossing. You can't miss it.

Carl：Thank you. (4)

Mary：Well, if the streets are too crowded, you'll get in about half an hour.

Carl：Thank you ever so much.

Mary： (5)

A．Excuse me, but could you lead me to the railway station?

B．You are welcome.

C．Where is the bus stop?

D．How long can I get there?

E．How soon can I get there?

F．Excuse me, but could you tell me how to get to the railway station?

G．Does the bus take me straight to the station?