Excuse me can you tell me the way to the bank?---Oh thats its either the second

问题补充：

--- Excuse me, can you tell me the way to the bank?

---Oh, thats , its either the second or the third road on the left.

A. the difficult one

B. a hard one

C. an easy one

D. the very one

答案：

A. the difficult one

B. a hard one

C. an easy one

D. the very one

解析：考交际用法。“thats a hard one”的意思是“这可难说了；这可是个难题”。