【案例分析题】

W：Good morning，officer.
M：Good morning；madam.Can I help you？
W：Yes，please.Where’s the nearest pest office？
M：Er，look at this map.There’s a north street.And there’s a post office on the west street，and one in the market street.
W：Where’s the nearest one？
M：Oh，yes，the nearest post office is near the market street.

How many post offices does the man talk about?（）