There are generally two major factors that cause changes in meaning,extra-linguistic factors and ______ factors within the language system. ( )
A、functional
B、external
C、meaningful
D、internal
【正确答案】:D
【题目解析】:本题考查第七章语义变化的两个原因,即外部原因extra-linguistic和内部原因internal,即使不知道四个单词的意思in-作为一个前缀词,表示内部的意思,也可以推断选D项。