求教NN，as做连词时候的用法。什么情况下可以用as连接句子啊。老迷糊了

yeah529

1.       International sporting eventsneed not be fiscal disasters, the financial success of the 1992 OlympicGames demonstrates that fact.
(A) the financialsuccess of the 1992 Olympic Games demonstrates that fact
(B) for example,the 1992 Olympic Games were financially successful
(C) like thefinancial success of the 1992 Olympic Games demonstrates
(D) a factdemonstrated by the 1992 Olympic Games, which were financially successful（E）
(E) as thefinancial success of the 1992 Olympic Games demonstrates
比如大全里这题，用as该怎么解释呢。。。都迷糊了。。我知道as有表示像的意思。。。。

yeah529

请教大牛。。。