Based on the degree of（）, homonyms fall into three classes: perf

Based on the degree of（）, homonyms fall into three classes: perfect homonyms, homographs and homophones.
A、intensity
B、property
C、similarity
D、variety
【正确答案】：C
【题目解析】：根据相类似的程度，同形同音异义词又可分为3类：完全同形同音异义间、同形异音异义词和同音异形异义词。