在特高压电网工频过电压计算分析中，主要考虑（）的工频过电压。

A.单相接地三相甩负荷

B.两相接地三相甩负荷

C.三相接地三相甩负荷

D.无接地三相甩负荷

____ the young people keep learning it, they can pass on Dai culture from generation to generation.

A．Even though

B．As soon as

C．As long as

D．As though