单选题
Even at 25 years" distance from that world-changing event, the fall of the Berlin Wall, what inspires admiration is the civilised manner in which the people of Poland, Hungary, East Germany and Czechoslovakia,【R5】______dismantled communist regimes that had oppressed them since the late 1940s. The peaceful change that underpinned the rebirth of Poland and Hungary, the unification of East and West Germany in 1990 and Czechoslovakia"s "velvet divorce" in 1993 into separate Czech and Slovak states was a precondition for each country"s success. Where violence accompanied the end of communism, as in the former Yugoslavia,【R6】______ The collective term "eastern Europe" made little sense in the communist era, given the conspicuous differences in each country"s history, economy, ethnic composition, one-party system and relationship with Moscow, it makes even less sense today,【R7】______with Nato and the EU, of which they are members or partners. As David Lipton, the International Monetary Fund"s first deputy managing director, says in 25 Years of Transition, an IMF report: " After years of isolation from the western economic system, and after the distortions and deprivations of the communist system, most citizens just wanted to live in a normal country with a normal economy and,【R8】______, that vision was captured in the allure of integrating with western Europe. " Not everything is "normal" in the region. Per capita gross the star economic domestic product in Poland, which in some respects is performer, is slightly more than half that of Germany. This is a big improvement from 1989, when it was about a third, but there remains much catching up to do. Choose the following sentences marked A to D to complete the above article.A. progress has been more unevenB. given their history and geographyC. except insofar as all identify security and prosperityD. with varying degrees of help from reformers inside the power apparatus