下列各语句定义了数组，（）是正确的。

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【单选题】【消耗次数：1】

下列各语句定义了数组，（）是正确的。

① inta[][]={1，2，3，4}；

② intx[2][2]={1，2，3，4，5}；

③ intx[2][]={1，2，4，6}；

④ intm[][3]={1，2，3，4，5，6}；

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