Words like bank meaning both the edge of the river and an establ

Words like bank meaning both the edge of the river and an establishment for money business are called（）
A、similart homonyms
B、perfect homonyms
C、same homonyms
D、close homonyms
【正确答案】：B
【题目解析】：以Bank一词为例，既有“岸边”的意思，也有“银行”的意思，这样的词被称为完全同音同形异义词。