城市10kV架空线路主干线导线截面宜为()，分支线截面不宜小于()。乡村10kV架空线路主干线导线截面不宜小于()?
A.185mm2~240mm2,70mm2,95mm2
B.150mm2~240mm2,95mm2,95mm2
C.150mm2~240mm2,70mm2,95mm2
D.150mm2~240mm2,70mm2,120mm2
正确答案是C