The word “meat” originally meant “food”, but now has come to mea

The word “meat” originally meant “food”, but now has come to mean “flesh of animals”. This is an example to illustrate （）of meaning.
A、generalization
B、narrowing
C、degradation
D、elevation
【正确答案】：B
【题目解析】：meat的意思从“食物”转变为“肉”，词义发生了缩小。