An idiom consists of at least two words. Each has a single meaning and often functions as one word. This is called （ ）.
A.semantic unity B.structural stability C.rhetorical function D.none of the above正确答案A
An idiom consists of at least two words. Each has a single meaning and often functions as one word. This is called （ ）.
A.semantic unity B.structural stability C.rhetorical function D.none of the above正确答案A
