The definition of a word comprises the following points( )(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 A、(1) and (2) B、(1)(2) and (3) C、(2)(3) and (4) D、(1)(2)(3) and (4) 【正确答案】:D 【题目解析】: