选择题：6. 在LED显示系统中,若采用共阴极显示器,则将段选模型送至( )。(本题2.0分) A、阳极

题目内容：

6. 在LED显示系统中,若采用共阴极显示器,则将段选模型送至( )。(本题2.0分)
A、阳极
B、阴极
C、阴极或阳极
D、先送阴极再送阳极

参考答案：

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