Which of the following statements is NOT correct

问题补充：

单项选择题:

Which of the following statements is NOT correct

A. A phoneme is the smallest unit of sound.

B. A grapheme is the smallest unit of writing.

C. A sememe is the smallest unit of meaning.

D. A morpheme is the smallest unit of a word.

答案：

答案：D

解析:词素是最小的、有意义的语言单位。换句话说，词素是“在词语的构成中最小的、起作用的语言单位”。