Who were the likely inventors of the cantus firmus Mass?

One indication that the lady of Auxerre may be a kore is ____

a. her elaborate headdress b. the gesture of prayer c. the statue's immense scale d. the image of Medusa on her breastplate

Four of the five columns of Diocletian's decennial monument bear statues of each emperor's __________, or imperial alter ego

A) ?sestertius B) ?pantokrator C) ?genius D) ?vicennalia