Which of the following is NOT true about the definition of a word? 选项

A word is the smallest form of a language.

A word is a sound unity.

A word has a given meaning.

A word can be used freely in a sentence.

a sound unity

a unit of meaning

the smallest form of a language

a form that can function alone in a sentence

Which of the following is NOT true about the definition of a word? 选项： A:A word has a given meaning. B:A word is a soundless unity. C:A word is the minimal free form of a language. D:A word is a form that can function alone in a sentence.