当前位置：在线题库搜索＞[单选题]PLC中，可以驱动外部负载的软继电器的是（ ）。的答案是什么？
问题：
[单选题]PLC中，可以驱动外部负载的软继电器的是（ ）。
A、输入继电器
B、辅助继电器
C、输出继电器
D、变量存储器
参考答案：
C
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