单选题：无特殊情况下,10kV高压配电装置敷设的控制电缆额定电压，根据规范规定一般宜选用下列哪一项数值？（　　）

题目内容：
无特殊情况下,10kV高压配电装置敷设的控制电缆额定电压，根据规范规定一般宜选用下列哪一项数值？（　　） A．300／500V
B．450／750V
C．0．6／1．OkV
D．8．7／10kV

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答案解析：

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