How does the Flavian amphitheater incorporate the traditional "classical" orders of architecture in its design? What is new?

A) It features Doric columns around the perimeter, a departure from the typical Ionic or Corinthian styles.
B) It includes Ionic columns in its interior, a deviation from the usual Doric or Corinthian styles.
C) It incorporates Corinthian columns in its exterior, a departure from the typical Doric or Ionic styles.
D) It does not incorporate any of the classical orders of architecture, introducing a completely new design.