How Do the Reliefs on the Left Wall of the South

How do the reliefs on the left wall of the south porch of the Priory Church of Saint-Pierre at Moissac differ from imagery carved on the tympanum of that church?

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.