Respuesta :
Polyphony music came about due to the effort to revolutionize the plainchant.
- Polyphony refers to a form of music whereby two or more times are combined together. This is different from monophonic music whereby only one tone is used.
- It should be noted that polyphonic music wasn't because of an increase in the size of church choirs nor was it because of the need for dance music in the Middle Ages. The reason was due to the effort to revolutionize the plainchant.
In conclusion, the correct option is D.
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