-You ________ that．-I’m sorry, but I simply ________ what I was told to．A.needn’t have done; ought to doB.needn’t have done; had to doC.shouldn’t have done; ought to doD.shouldn’t have done; ought to do
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B解析本题考查情态动词的用法。根据语境可知第一空应选needn’t have done, 表示“本来不必要那样做”；后一空由simply推出选had to do。