It is just much a petition among countries to host the Olympics as an Olympic medal.
A. as ; to win
B. as; winning
C. so; to win
D. so; winning
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(答案→)A. as ; to win
B. as; winning
C. so; to win
D. so; winning
解析：考查词组；as +adj+a/an+as和…一样，所以第一空填as，第二空填不定式做主语，句型是：It is +n.+to do。It是形式主语，句意是;国家之间主办奥运会的竞争就像争夺奖牌一样。选A。