A warehouse was stolen. After investigation, it is found that the person who makes a certain person is one of A, B, C and D. During the trial, the statements of the four people were as follows: a: when the warehouse was stolen, I was in another city
it was impossible for me to commit the crime. B: D is a criminal. C: B is the criminal who stole the warehouse, because I saw him go into the warehouse that day. D: B is deliberately framing me.
C is a criminal who steals the warehouse.