There are generally two major factors that cause changes in mea

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。