______ refers to the phenomenon that words having different meanings have the same form, i.e.，different words are identical in sound or spelling, or in both.
A、Synonymy
B、Polysemy
C、Homonymy
D、Hyponymy
【正确答案】：C
【题目解析】：Homonymy refers to the phenomenon that words having different meanings have the same form, i.e.，different words are identical in sound or spelling, or in both.