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The speaker's last few words were（ ）by the audience's thunderous applause.
A、stopped
B、drowned out
C、simulated
D、agitated
【正确答案】：B
【题目解析】：本题考查词义辨析。stopped：停下，中断，停止；drowned out：淹没；simulated：假装，冒充，装作；agitated：鼓动，煽动，激怒。句意：听众雷鸣般的掌声淹没了演讲者的最后几句话。故B选项符合题意。