The word “minister” originally meant“a servant”, but now has changed to“a head of a ministry”. This process of meaning change is called（ ）.
A.extension B.elevation C.degradation D.specialization正确答案B
The word “minister” originally meant“a servant”, but now has changed to“a head of a ministry”. This process of meaning change is called（ ）.
A.extension B.elevation C.degradation D.specialization正确答案B
