Under the following conditions, it is impossible to determine the congruence of △ ABC and △ def_ A.∠B=∠E=90°,AB=DE,AC=DF B.∠B=∠E=90°,∠A=∠D,AC=DF C.∠B=∠E=90°,∠C=∠F,AB=EF D.∠B=∠E=90°,AB=DE,BC=EF

Under the following conditions, it is impossible to determine the congruence of △ ABC and △ def_ A.∠B=∠E=90°,AB=DE,AC=DF B.∠B=∠E=90°,∠A=∠D,AC=DF C.∠B=∠E=90°,∠C=∠F,AB=EF D.∠B=∠E=90°,AB=DE,BC=EF

Choose C
AB and EF are not corresponding edges