企源知识库

According to the positions which affixes occupy in words, affixation falls into two subclasses:（）and（）.
A、clipping; blending
B、compounding; conversion
C、conversion; derivation
D、prefixation; suffixation
【正确答案】：D
【题目解析】：根据词缀在词中的位置，可将词缀法分为前缀法和后缀法。