Why does the author include the last sentence of this excerpt?

a)
to demonstrate carrie's poor judgment

b)
to express a realization that carrie has

c)
to illustrate the mercurial nature of carrie

d)
to hint at the question that will nag at carrie's thought

Most of the written music that has been preserved from the middle ages is a. sacred. b. for flute and guitar. c. polyphonic. d. dance music.

Acurator decides to display an eighteenth-century painting in a windowless room with controlled temperature and humidity. pick the answer that best describes the reasons for her choice: (1 point) 1)the curator wants to make sure that the temperature and humidity are comfortable for visitors. 2)keeping the temperature and humidity at a set level will save money. 3)the ultraviolet rays will damage the painting by fading and flaking the paint. 4)ultraviolet rays will fade the paint pigment and high temperature and humidity will damage the paint.

In a paragraph of no less than 125 words, explain the single most important factor involved in advancing american classical music in the twentieth century.