In the Case in Which a Hacker Named Maxim Broke

In the case in which a hacker named Maxim broke into CD Universe credit card files,the FBI and company employees accessed original files to determine how the intrusion had occurred.What was the impact on the case of working with original files?

A) There was no impact on the case,because a correct chain of custody form was produced.
B) The case was nullified,because the last-access dates on the original files were changed.
C) There was no impact on the case,because the original files were copied correctly.
D) The case was nullified,because the FBI did not have permission to open the original files.