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
正确答案是D
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
正确答案是D