It may be said that great literature embraces ambiguity because a. it reflects the uncertainty we face in real-life decisions. b. we seldom have clues to the motivations of the protagonist. c. little insight is offered into the character or qualities of an antagonist. d. it allows us to interpret a plot in at least two ways.

I think the answer to this question would be B

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.