In China shaking hands with each other is a common when people meet for the first time.A

问题补充：

In China, shaking hands with each other is a common when people meet for the first time.

A. sense

B. practice

C. scene

D. rule

答案：

A. sense

(答案→)B. practice

C. scene

D. rule

解析：考查词义辨析。sense 意识，practice 练习，惯例，scene 场景，rule 规定，句意：在中国，当人们第一次见面的时候互相握手时一种惯例。a common practice 一种惯例。所以选B。