A.触点KM1和KM2因未接入电路均处于断开状态 B.触点KM1闭合，KM2不变 C.触点KM1闭合，KM2断开 D.触点KM1不变，KM2断开

题目

A.触点KM1和KM2因未接入电路均处于断开状态
B.触点KM1闭合，KM2不变
C.触点KM1闭合，KM2断开
D.触点KM1不变，KM2断开
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