We need some more facts and figures ______ we make the final decision.  
A．sinceB．beforeC．a(chǎn)fterD．until
B

試題分析：句意：我們需要更多的事實(shí)和數(shù)字才能做出最后的決定。Before“在…前面”，也可以結(jié)合語境翻譯成“才…，就…”，A. since 自從，C. after在…后面，D. until直到，所以選B。
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