Which group of composers was the first to employ imitation as a structural tool?

What did 11th-century Romanesque masons use to construct monumental groin vaults?

A. Molded concrete B. Rubble mixed with mortar C. Mud-brick and granite D. Ashlar blocks joined by mortar

Which work—one of the most famous Carolingian manuscripts—uses ink drawings to illustrate the words and images of individual psalms literally?

a. Book of Durrow b. Lindisfarne Gospel Book c. Utrecht Psalter d. Ebbo Gospels