Here in the market, you will find a sea of people, from all ____

Here in the market, you will find a sea of people, from all ______ of life.
A、lines
B、walks
C、areas
D、fields
【正确答案】：B
【题目解析】：考察固定搭配：all walks of life. 各行各以；各界人士；句意为：在这个市场上，你会发现人山人海，他们来自各行各业。