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It________heavily for 2 weeks and the farmers were very worried.

Ahas been raining Bhad been raining

Chas rained Dhad been rained

 

B

【解析】考查時態與語態。句意:大雨已經下了兩周,農民們非常擔心。由were可知,事情發生在過去,故用過去完成進行時,表示動作從過去另一時間開始,一直延續到過去另一時間,可能還要繼續下去。

 

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