单项选择题
A.0.0756+j0.2268 B.0.0634+j0.1902 C.0.0936+j0.2808 D.0.123+j0.369
A.110 B.35 C.10 D.220
A.12.84+j6.64 B.13.92+j7.43 C.12.097+j6.192 D.13.124+j6.563