1. (2021九上·东阳月考) 听下面一段较长对话，回答问题。

1. （1） When was the road built?

   A . 50 years ago. B . 500 years ago. C . 5000 years ago.
3. （2） Why was the road built? 

   A . To spread culture. B . To reduce traffic jams. C . To help soldiers move easily.