I'm stuck between B and C, but i'd go with B. They have highly textured details and lots of colors. Hope this helps. :)
Answer:
concrete
The most notable building technique introduced by the Romans was the use of concrete.
Explanation:
1. Monastery : a place where Monks live together
2. Visigoths and Saxons: barbarians
3. A disease that destroyed entire cities : plague
4. Muslim : a follower of Muhammad
5. A professional penman : scribe
6. Fair: once-a-year time of joy and shopping
7. Cross: shape of the floor plans for most churches
8. Crusades: journeys to Holy Land to capture it from the Muslims by the Catholics
9. Feudalism : system of land ownership to
10. Isolate : quarantine
Absolutely false, it was Europe