When a word is coined, it is always monosemic. But in the course

When a word is coined, it is always monosemic. But in the course of development, the same symbol must be used to express more meanings. The result is（）.
A、polysemy
B、homonymy
C、synonymy
D、antonymy
【正确答案】：A
【题目解析】：同一个符号表达了多种意思，其结果就是形成了多义词（polysemy）。