Which of the following accurately describes the relationship between a phoneme and a morpheme?
A. A phoneme is a unit of sound, and a morpheme is multiple sounds.
B. A morpheme is a unit of meaning, and a phoneme is multiple meanings.
C. A phoneme is a unit of sound, and a morpheme is a unit of meaning.
D. A morpheme is a unit of sound, and a phoneme is a unit of meaning.