At the beginning of the Middle Ages, Christian figures began to replace what as the subject of most paintings?
A. Greek and Roman gods and heroes
B. Portraits of wealthy patrons
c. Pastoral landscapes
D. Animals and mythological creatures

Why did the artist of the above image use such bold lines and colors on the trees? a. to create a more realistic interpretation b. to suggest spring and to heighten emotional tensions c. to mimic the motion of the figures d. all of the above