____________ the Roman numerals, the Arabic numbers are rather simple to use.

A．Compared with

B．Comparing with

C．Compared as

D．Comparing as

当人体触及带电体，或带电体与人体之间闪击放电，或者电弧波及人体时，电流通过人体进入大地或其他导体，形成导电回路，这种情况叫触电。