[单选]   #include       intCount(inta[],intn,intx)        {           inti,c=0;           for(i=0;ix)c++;           returnc;       }       voidmain(){           inta[8]={20,15,32,47,24,36,28,70};           intb=Count(a,8,30);           printf(“b=%dn“,b);       }