Degradation can be illustrated by the following example [ ]

Degradation can be illustrated by the following example [ ]
A、lewd → ignorant
B、silly → foolish
C、last → pleasure
D、knave → boy
【正确答案】：B
【题目解析】：根据教材P139可知，degradation(退化)是由一个良好的起源陷入坏名声或非情感的词来使用贬义的过程。