?????????????????????

??

??????????????2?11? ??11???,???????,???????????

2??1??????2????5?????,?????,?????46?103?????????????????,?????????????????,???????????????????????????????????????????????????????5???

???????????,?B?????????,???????????????????????C????????????????????,??A?????????11?????????????1?????????3??????3??????????

?,?????,?????(??????????????) ???????????????????:?????

?????????

???????????????????????????????

????????