c同步练习

. z\r{p D ¿\nÀÁÏÅÄÐFGHIÀÁ\r#include <stdio.h> 10:fseekef??i\rmain() Afseek(\n0ÑÉÒ0ÀĶ)\r{FILE *fp; int k,n,a[6]={ 123,4,5,6}; Bfseek(\n0ÀĶ0ÑÉÒ)\rfp=fopen("d2.dat'',"w"); Cfseek(ÀĶ0ÑÉÒ0\n)\rfprintf(fp/,%d%d\n,,,a[O],a[l ],a ½ ); fprintf(fp, Dfseek(ÑÉÒ0ÀĶ0\n)\r“¥d%d%d \n”,a[3],a[4],a[5]);\rfclose(fp);\rfp=fopenC'd2.dat”,T );\rfscanf(fp, "¥d%cT,&k,&n);\rprintf(<<%d%d\n,,,k,n);\rfclose(fp);}{p§< CEQYi(D)\rA)1 2 B)1 4\rC)123 4 D) 123 456\r7 . z\r{p\r#include <stdio.h>\rmain ()