The word"meat", which originally meant"food", but now has come t

The word"meat", which originally meant"food", but now has come to mean "flesh of animals", 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”，现在用来指代动物的肉。词义发生了缩小。