问题描述：
It is the boy's laziness that_____his failure in the exams.A.resulted from B.brought in
It is the boy's laziness that_____his failure in the exams.A.resulted from B.brought inC.resulted in D.led into
It is the boy's laziness that_____his failure in the exams.A.resulted from B.brought inC.resulted in D.led into
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