Mr Smith stood up in defence of the 16-year-old boy saying that he was not the person .A.

问题补充：

Mr Smith stood up in defence of the 16-year-old boy, saying that he was not the person .

A. blamed

B. blaming

C. to blame

D. to be blamed

答案：

A. blamed

B. blaming

(答案→)C. to blame

D. to be blamed

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