《变电检测电容量和介质损耗因数试验细则》中规定，若试验结果超标，结合绝缘电阻、（）等试验项目结果综合判断。
A. 绝缘油试验
B. 耐压
C. 红外成像
D. 高压介损
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Having been familiar with his ability, （）.
A. the manager was assigned a challenging task
B. the manager assign a challenging task
C. the board assigned him a challenging task
D. a challenging task was assigned to the manager
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