单项选择题

A.KM1的线圈与KM2的动断(常闭)辅助触点串联,KM2的线圈与KM1的动断(常闭)辅助触点串联
B.KM1的线圈与KM2的动合(常开)辅助触点串联,KM2的线圈与KM1的动合(常开)辅助触点串联
C.KM1的线圈与KM2的动断(常闭)辅助触点并联,KM2的线圈与KM1的动断(常闭)辅助触点并联
D.KM1的线圈与KM2的动合(常开)辅助触点并联,KM2的线圈与KM1的动合(常开)辅助触点并联