The basic form of a word which CANNOT be further analyzed withou

The basic form of a word which CANNOT be further analyzed without total loss of identity is a（ ）.
A、prefix
B、suffix
C、root
D、bound morpheme
【正确答案】：C
【题目解析】：本题考查词根的含义。prefix：前缀；suffix：后缀；root：词根；bound morpheme：粘附词素。词根是一个词的基本形式，这个形式若再分析下去就不再是这个词了。故C选项符合题意。