A In the investigation stage, the defense lawyer can verify the evidence with the criminal suspect.
B before the investigation of a case is completed, the defense lawyer may consult the investigation organ for prosecution opinions.
C. If the expert lawyer thinks that the evidence materials collected by the public security organs to prove the innocence or light crime of the criminal suspect have not been transferred with the case, he may apply to the procuratorate for transfer.
D the court served a copy of the indictment to the defense lawyer seven days before the trial, and the defense lawyer could refuse to appear in court on this ground.
Correct answer: C.