_____ the same mistake again made his parents very angry.

A．His being made

B．He has made

C．He had making

D．His making

在通信局（站），雷电可以通过（）入侵，对通信设备造成破坏。

A.通信铁塔

B.天馈线

C.电力电源线

D.进出局信号线