It is said that the dormant peri

It is said that the dormant period is another stage in the life______ of the plant.
A、circle
B、cycle
C、zone
D、span
【正确答案】：B
【题目解析】：circle圆，圆形。cycle循环，整个系列。zone区域。span范围，包括的种类。句意：据说休眠期是植物生命周期的另一个阶段。