The formation of new words by joining two or more stems is calle

The formation of new words by joining two or more stems is called（ ）.
A、compounding
B、prefixation
C、conversion
D、blending
【正确答案】：A
【题目解析】：复合词，又称复合法，是指连接两个或多个词干的新词的形成过程。