【单选题】
标准的RJ-45网络水晶头以T568B线序排列的定义为：橙白、 、 、蓝、蓝白、 、棕白、棕。___（易）（消防通信网络设备）
A. 橙、绿白、绿
B. 绿白、橙、绿
C. 绿、橙、绿白
D. 白橙、绿、橙
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A
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