The definition of a word compris

The definition of a word comprises the following points EXCEPT______。
A、a sound unity
B、a unit of meaning
C、a minimal free form of a language
D、a form that must function with others in a sentence
【正确答案】：D
【题目解析】：P7词的定义：A word is a minimal free form of a language that has a given sound and meaning and syntactic funtion.1)a minimal free form of a language .2)a sound unity  3)a unit of meaning 4)a form that can function alone in a sentence