求助prep12的一题

The financial crash of October1987 demonstrated that the world'scapital markets are integrated more closely than never before and eventsin one part of the globalvillage 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 neverbefore while

D.         more closely integrated than ever before and that

E.         more than ever before closely integrated as

Parallelism; idiom

The 1987 crash demonstrated two truths: that the world's capital markets are in tegrated... and that events... may be transmitted. Because these two truths must be presented in grammatically parallel structure, that must be added to the second clause. The correctidiom is more than ever, not more than never.

答案选D

我有一点疑惑，为什么两件事不可以是因果：因为比以前更紧密整合所以信息能够同时地传播到其他的地方？求大神指点！！！