How Does the Arch of Constantine Suggest That Rome's Ancient

How does the Arch of Constantine suggest that Rome's ancient glory was fading?

A) Its best components were from other buildings and the new parts were of poor craftsmanship.
B) It was built in Ravenna,not Rome,as the ancient capital had been abandoned.
C) The arch was smaller than its predecessors.
D) After Constantine died,it was never finished.
E) The style of the arch broke with Roman architectural tradition.