With children, if you say "no", you have to mean ______.

A．that

B．this

C．it

D．one

以下程序运行后的输出结果是 【15】 。
#include ＜stdio.h＞
#include ＜string.h＞
char * ss(char * s)
char * p,t;
p=s+1:t= *s:
whilet * p) *(,p-1) = *p; p++;
* (p-1) =t;
return s :
main ( )
char * p,str[10] =" abedefgh";
p = ss(str); printf( "% s \n". p):