How Does EnCase Verify That the Case Information (Case Number

How does EnCase verify that the case information (Case Number, Evidence Number, Investigator Name, etc) in an evidence file has not been damaged or changed, after the evidence file has been written?

A) The .case file writes a CRC value for the case information and verifies it when the case is opened.
B) EnCase does not verify the case information and case information can be changed by the user as it becomes necessary.
C) EnCase writes a CRC value of the case information and verifies the CRC value when the evidence is added to a case.
D) EnCase writes an MD5 hash value for the entire evidence file, which includes the case information, and verifies the MD5 hash when the evidence is added to a case.