Here are the answers to your questions:
Question 1: The term Middle Ages was used to describe
Option C: The time between Classical Greece and Rome and the Renaissance
Question 2: During the Middle Ages, sacred and secular worlds were
Option D: Both separate and integrated
Question 3: Which of the following is not a musical development from the Middle Ages
Option D: The decline of musical notation
Question 4: The earliest music in the Catholic Church was the
Option B: Chant
Let me know if you need further assistance!