How do the reliefs on the left wall of the porch at the Church of Saint-Pierre at Moissac (Fig. 16-23) differ from imagery carved on the tympanum (Fig. 16-21)?

A. They are more awe-inspiring and didactic.
B. They were originally painted in brightly colored hues.
C. They are more lifelike to convey human frailty.
D. They demonstrate the influence of Islamic art.

Answer: C