∵△ABC是等边三角形, ∴AB=BC=AC,∠BAC=∠ABC=∠ACB=60° ∵BD=CE=AF ∴△ABD≌△CAF≌△BCE(SAS) ∴AD=CF=BE ∴△ADC≌△CFB≌△BEA(SSS) ∴∠DAC=∠FCB=∠EBA ∵∠BAD=∠ACF=∠CBE ∵AB=AC=BC ∴△ABJ≌△BCH≌△CAG(ASA) ∴CG=BH=AJ,BJ=CH=AG ∴JE=GD=HF ∵CD=BF=AE ∴△AJE≌△BHF≌△CGD(SSS) ∵BJ=CH=AG,BD=CE=AF,∠BAD=∠ACF=∠CBE ∴△AFG≌△BDJ≌△CEH(SAS) ∴有五对,故选D.
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