Question 5
There are 5 suspects which are A, B, C, D, E in a case. They provide the testimony below respectively. It is known that only one of them did not lie and there is only one criminal. Who is the criminal? A: C is the criminal. B: A is lying and I am not the criminal. C: D and E are both not the criminal. D: C is lying and A is not the criminal. E: I am the criminal.