Which of the following is CORRECT about Ukrainian President Viktor Yushchenko？A．He is goin

Which of the following is CORRECT about Ukrainian President Viktor Yushchenko？

A．He is going to attend the incoming election.

B．His time in office has made the relations with Moscow better.

C．His leaving may improve the ties between Russia and Ukraine.

D．He confirmed the detention of an alleged Russian spy.

请帮忙给出正确答案和分析，谢谢！