An ancient Arab proverb proclaims "Purity of writing, is purity of soul" and describes which of the following?

One of the exceptional features of the interior of Saint-Étienne at Vignory in comparison to other Romanesque churches is ____

a. its west work b. its ornate marble encrusted facade c. the presence of decorative carving and sculpture d. the appearance of the rib vault

Which of the following is a term for semidomes?

A. squinches B. conches C. exedrae D. pendentives