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 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