30）现有如下程序段 #include "stdio.h" main() { int a[5][6]={23,3,65,21,6,78,28,5,67,25,435,76,8,22,45,7,8,34,6,78,32,4,5,67,4,21,1}; int i=0,j=5; printf("%d\n",*(&a[0][0]+2*i+j-2));} 则程序的输出结果为 (A)21 (B)78 (C)23 (D)28