Last night’s TV news said that by then exact evidence for the missing plane MH370      .
A．had not been foundB．had not found
C．has not been foundD．has not found
A               
             
試題分析： 考查動詞的時態(tài)。句意：昨晚新聞中說，到昨天截稿時止，失蹤的MH370 飛機還沒有找到。根據(jù)時間狀語by then，而then 指的是昨晚，所以發(fā)生在過去的去過，用過去完成時，還得體現(xiàn)被動關(guān)系，因此選A項。        
考點 : 考查動詞的時態(tài)
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