---Why didn’t you go to the concert last night?

---It was something     interesting.

A．more or less

B．far less

C．much more

D．any further

发生局部放电后，电力电缆长时间承受运行电压，会导致（）。

A.热击穿和化学击穿

B.化学击穿和电击穿

C.热击穿或电击穿