It is known to us that it was such great efforts all the Chinese athletes had made helped them get 51 gold medals in the 2008 Beijing Olympic Games.
A. as, that
B. that, which
C. that, as
D. which, which
网友回答
(答案→)A. as, that
B. that, which
C. that, as
D. which, which
解析：
第一空考查定语从句的用法，先行词被such、as、so修饰的时候，定语从句用as引导。第二空是that强调句型。句意是：众所周知，正是中国运动员做出了如此大的努力帮助他们赢得2008年奥运会51枚金牌。选A。