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

??

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

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

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

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

?????????

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

????????