对于下列各组条件,不能判定△ABC≌△A′B′C′的一组是()
A.∠A=∠A′,∠B=∠B′,AB=A′B′
B.∠A=∠A′,AB=A′B′,AC=A′C′
C.∠A=∠A′,AB=A′B′,BC=B′C′
D.AB=A′B′,AC=A′C′,BC=B′C′