A store was stolen, and the clues held by the police are as follows: ① At most one of A. B, and C is a criminal ② If A is a criminal, B must be an accomplice ③ C was eating at home when the theft occurred. From this we can infer:(). ['A and C are not criminals.', 'A is a criminal.', 'B is a criminal.', 'C is a criminal.']