单项选择题

有以下程序:
#include <string.h>
void f(char p[][10], int n)/*字符串从小到大排序*/
char t[10]; int i, j;
for (i=0; i<n-1; i++)
for(j=i+1; j<n; j++)
if(strcmp(p[i], p[j])>0)
strcpy(t, p[i]);
strcpyp[i], p[j];
strcpy(p[j], t);
main()
char p[5][10]="abc", "aabdfg", "abbd", "dcdbe", "cd”;
f(p, 5);
printf("%d\n", strlen(p[0]));

A.2
B.4
C.6
D.3