单选题Which of the following is the correct wiring order for an RJ-11 two line jack？（）ABlack，Green，Red，YellowBBlack，Red，Green，YellowCRed，Black，Green，YellowDYellow，Red，Green，Black
单选题
Which of the following is the correct wiring order for an RJ-11 two line jack？（）
A
Black，Green，Red，Yellow
B
Black，Red，Green，Yellow
C
Red，Black，Green，Yellow
D
Yellow，Red，Green，Black
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