It________heavily for 2 weeks and the farmers were very worried.

A．has been raining　B．had been raining

C．has rained　D．had been rained

 

B

【解析】考查時態(tài)與語態(tài)。句意：大雨已經(jīng)下了兩周，農(nóng)民們非常擔心。由were可知，事情發(fā)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(xù)到過去另一時間，可能還要繼續(xù)下去。

 

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