问题补充：
It is just among countries to host the Olympics as to win an Olympic medal.
A. so fierce a competition
B. as fierce a competition
C. such a fierce competition
D. too fierce a competition
答案：
A. so fierce a competition
(答案→)B. as fierce a competition
C. such a fierce competition
D. too fierce a competition
解析：考查so和such用法。So修饰形容词或者副词；such修饰名词。两者有时候可以互换使用如such a fine day=so fine a day如此晴朗的一天。本题中的B项=such a fierce competition如此激烈的竞争；句意：为了举办奥运会并取得奥运会的金牌，在国家与国家之间形成了如此激烈的竞争。故B正确。
