Under the leadership of newly          president Barack Obama, the US is expected to turn a new page in politics and economy.

A．elected                    B．electing                   C．to elect                   D．having been elected

Under the leadership of newly 　　　　 president Barack Obama, the US is expected to turn a new page in politics and economy.

　 A.elected　　　 B.electing　　 C.to elect　　 D.having been elected