The entire hall burst into a great cheer and applause the Nobel Prize winner appeared on

The entire hall burst into a great cheer and applause the Nobel Prize winner appeared on the stage accompanied by the chairman.
A. until
B. while
C. by the time
D. the moment

A. untilB. whileC. by the time(答案→)D. the moment解析：试题分析:考查连词辨析。A直到；B当…..时候；C到…..为止;D一…..就。.until用于肯定句时，谓语应该用延续性动词，while引导的状语从句中谓语也应该是延续性动词，而burst 和appear都是短暂性动词，排除A、B选项； by the time后面的从句如果是过去时态，则主句应该用过去完成时，所以D选项正确。句意: 当诺贝尔获奖者在主席的陪同下出现在台上时，整个大厅爆发出掌声和欢呼声。

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