[单选]  #include      voidmain(){          chara[]=“abcdbfbgacd“;          inti1=0,i2=0,i=0;          while(a[i]){              if(a[i]=='a')i1++;              if(a[i]=='b')i2++;              i++;          }          printf(“%d%d%dn“,i1,i2,i);      }