Opera was the result of

a. someone uncovering a copy of Hildegard von Bingen's play.
b. a small group of philosophers, musicians, and poets who met in Florence to consider reviving the synthesis of music and drama as it had been done in the ancient Greek culture.
c. a group of housewives who overheard their children acting out stories with music and shared this practice with their composer husbands.
d. composers adapting the formal structure of the Mass to secular chamber music.

B