A(n) _____ refers to a voice in which the pitch, volume, and rate remain constant, with no word, idea, or sentence differing significantly from any other.

a. euphony
b. posture
c. monotone
d. accent

c. monotone
A total lack of expression produces a monotone. A monotone refers to a voice in which the pitch, volume, and rate remain constant, with no word, idea, or sentence differing significantly from any other.