企源知识库

According to the positions which affixes occupy in words, affixation falls into two subclasses: （）and suffixation.
A、prefixation
B、motivation
C、novation
D、translation
【正确答案】：A
【题目解析】：根据词缀在词中出现的位置，词缀法可分为两类：前缀法和后缀法。