Conversion is a method of _____.
A、turning words of one part of speech into those of a different part of speech
B、converting words of one meaning into those of a different meaning
C、deriving words by grammatical means
D、changing words in morphological structure
【正确答案】：A
【题目解析】：参考教材P56，转换是把一个词性的词转换成另一个词性的词的一种方法。
