The original meaning of the word nice was "ignorant",then change

The original meaning of the word nice was "ignorant",then changed to "foolish",but now it has been ______ to mean“delightful＇”.
A、generalized
B、specialized
C、elevated
D、degraded
【正确答案】：C
【题目解析】：nice一词最初的意思是“无知的”，后来变成了“愚蠢的”，但现在它被提升为“令人愉快的”的意思。