tony ,who broke the cup?--maybe petter ____,but i am not sure .A.dose B.did C .broke

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tony ,who broke the cup?--maybe petter ____,but i am not sure .A.dose B.did C .broke

B

选B:did.
did代指前面的broke

B
后句省略broke ,过去时。broke此为及物,不可不加宾语

选B
did代替前面的动作,相当于broke the cup

B

B,将"broke”换成了"did",避免重复。(语法中固定用法)
是Peter吧- -