Ever since that political congress         last year took many effective measures to develop economy, great changes of peo ple’s life have        .

A．came to power; taken place

B．came to power; been taken place

C．coming to power; been taken place

D．coming to power; taken place

距中线最远的线角是（）

A.舌牙合线角

B.近牙合线角

C.舌切线角

D.唇切线角

E.远唇线角