--- Excuse me, could you show me the way to the nearest post office? --- ______Oh yes! Two blocks away from here at the Green Avenue. You can't miss it.

--- Excuse me, could you show me the way to the nearest post office?

--- ______Oh yes! Two blocks away from here at the Green Avenue. You can't miss it.

A. I beg your pardon?

B. What do you mean?

C. You're welcome.

D. Mm, let me think.