Smoking does great harm to our health．_________ is smoking allowed in public places．A.At no timeB.In no timeC.At all timesD.All the time
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A解析句意：吸烟有害健康。所以在公共场合决不允许吸烟。at no time“永不”；in no time“立刻”；at all times“总是”；all the time“一直”。只有at no times放在句首，句子用部分倒装。