AEFABAE的精選

問題詳情：如圖,△ABC≌△AEF,AB=AE,∠B=∠E,則對於結論:①AC=AF;②∠FAB=∠EAB;③EF=BC;④∠EAB=∠FAC.其中正確結論的個數是()A.1              B.2           C.3           D....