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　　  C. reflect both the success of its restructured global system and the extent of poor currency exchange rates keeping

　　  D. both reflect the success of its restructured global bottling system and to what extant poor currency exchange rates are keeping

　　  E. both reflect the success of its restructured global bottling system and to what extent poor currency exchange rages are keeping

　　  这道题答案是B。我们来看一下E选项，是不是E中就有 to what extent。虽然它是一个错误选项，但是 to what extent 的表达并没有错。所以我们在做例2-2的时候，不仅要选出来答案，这个表达应该是我们要去积累下来的，这样你再做例2-1的时候就不会觉得那么难了。