若输入 I am a boy! , 下列程序的运行结果为______。 char connect(string1,string2,string) char string1[],string2[],string[]; int i,j; for (i=0;stringl[i] !=’ 0’;i++) string[i]=stringl[i]; for (j=0;string2[j] !=’ 0’;j++) string[i+j]=string2[j]; string[i+j ] =’ 0’; main ( ) char s1 [100] , s2 [100] , s [100]; printf ( n 输入 string1: n ); scanf( %s ,s1); printf ( n 输入 string2: n ); scanf ( %s , s2); connect (s1, s2, s); printf ( %s n , s);
A．I am a boy!
B．输入string2:
C．I am
D．I am a boy!