求助一小语法点 - ChaseDream

The financial crash of October 1987 demonstrated that the world's capital markets are integrated more closely than never before and events in one part of the global village may be transmitted to the rest of the village - almost instantaneously.
(A) integrated more closely than never before and
(B) closely integrated more than ever before so
(C) more closely integrated as never before while
(D) more closely integrated than ever before and that
(E) more than ever before closely integrated as

想问问各位CDer们，这里的A和D选项中的 integrated more closely than 和 more closely integrated than 有什么区别吗？