问题描述：
—What a mess!You are always so lazy!—I’m not to blame,mum.I am ________ you have made me.
—What a mess!You are always so lazy!
—I’m not to blame,mum.I am ________ you have made me.
A.how B.what C.that D.who为什么选B不选D
—What a mess!You are always so lazy!
—I’m not to blame,mum.I am ________ you have made me.
A.how B.what C.that D.who为什么选B不选D
问题解答：
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