Although Tied to International Gothic Style Conventions, Among the Naturalistic

Although tied to International Gothic style conventions, among the naturalistic details found in the Adoration of the Magi are ____.

A) a classical nude in the predella scene of the Flight into Egypt
B) a "modern" architectural setting for the adoration scene
C) the background scene of the adoration is the classical Roman countryside
D) animals seen from a variety of angles and convincing foreshortening