我国电力网络目前的平均额定电压主要有()。
A.3.15kV,6.3kV,10.5kV,36.75kV,115.5kV,231kV,346.5kV,525kV
B.3.15kV,6.3kV,10.5kV,37kV,115kV,231kV,347kV,525kV
C.3.15kV,6.3kV,10.5kV,37kV,115kV,230kV,345kV,525kV
D.3.15kV,6.3kV,10.5kV,36.75kV,115.5kV,230kV,345kV,525kV
正确答案是C