50)有以下程序 #include main) {FILE*fp;inta[10]={1,2,3,0,0},i; fp=fopen"d2.dat,"wb"); fwritea,sizeofint),5,fp); fwritea,sizeofint),5,fp); fclosefp); fp=fopen"d2.dat","rb"); freada,sizeofint),10,fp); fclosefp); fori=0;i<10;i++)printf"%d",a;}程序的运行结果是
(A)1,2,3,0,0,0,0,0,0,0,
(B)1,2,3,1,2,3,0,0,0,0,
(C)123,0,0,0,0,123,0,0,0,0,
(D)1,2,3,0,0,1,2,3,0,0,

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