28）当运行以下程序时,从键盘输入AhaMA(空格)Aha,则下面程序的运行结果是 #include main() { char s[80],c=′a′; int i=0; scanf("%s",s); while(s[i]!=′ { if(s[i]==Cs[i]-32; else if(s[i]==c-32)s[i]=s[i]+32; i++; } puts(s); } (A)ahaMa (B)AbAMa (C)AhAMa[空格]ahA (D)ahAMa[空格]ahA