Fish is the last course of the meal, but it is intentionally有意 not finished. The reason for this stems 根茎（源于）from a Chinese saying, nian nian you yu ( meaning every year there is leftover), which is a ________for being blessed 祝福every year.
A. gramophone留声机
B. telephone
C. homophone同音异形异义
D. monophone收发话器
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