A dozen ideas were considered ____________ the chief architect decided on the destgn of the building．A.becauseB.beforeC.whetherD.until
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B解析考查before引导的时间状语从句，译成“……（之后）才……”。再如：The fire lasted four hours before the firefighters controlled it.大火持续了四个小时后救火人员才控制了它。考查before引导的时间状语从句，译成“……（之后）才……”。再如：The fire lasted four hours before the firefighters controlled it.大火持续了四个小时后救火人员才控制了它。