“Taking the basic need of our lives， the fire， for example， people used to grind wood to get fire before they had the idea of using this device（）火折子.” This is a structure of（）.
“Taking the basic need of our lives， the fire， for example， people used to grind wood to get fire before they had the idea of using this device（）火折子.” This is a structure of（）.
A.quotation（引用）
B.exemplification（举例）
C.parallelism（平行结构）
D.compare and contrast（比较与对比）
正确答案：exemplification（举例）