单项选择题

以下程序的输出结果为( )。
#include<stdio.h>
main()
char *alpha[6]="ABCDEFGH","IJKL","MNOP","QRST","UVWX";
char**p;int i;
p=alpha;
for(i=0;i<4;i++)printf(" %s" ,p[i]);printf("\n" );

A.ABCDEFGHIJKL
B.ABCD
C.ABCDEFGHIJKLMNOPQRST
D.AEIM