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【题目】This kind of flu (流感) is terrible, but the government ______ action to prevent it already.

A. has taken B. took C. will take D. was taking

【答案】A

【解析】句意:这种流感很可怕,但是政府已经采取行动来预防流感了。考查动词时态辨析题。already已经,用于现在完成时,后一句the government是三单人称,需借助has+过去分词构成完成时态。根据句意和语境,可知选A。

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