罗马是建在七山之上的城市，拥有大小500座教堂，我几乎都去过了。A、Rome was located on seven hi

罗马是建在七山之上的城市，拥有大小500座教堂，我几乎都去过了。

A、Rome was located on seven hills with 500 churches, big and small, and I visited nearly all of them.

B、Rome was built on seven hills, and it owed 500 big and small churches. I visited nearly every one.

C、Rome is a city which was built on seven hills and owed 500 big and small churches, and I have visited nearly all of them.

D、Rome was located on seven hills with 500 big or small churches. I have visited nearly every one.