Petro Ltd Files a Suit in a State Court Against Quality

Petro Ltd. files a suit in a state court against Quality Gas. Before the trial, Petro requests from Quality relevant information stored electronically. In contrast to traditional discovery, this request can legitimately reveal

A) privileged or confidential material.
B) metadata.
C) information to which Petro would otherwise be denied access by the right to privacy.
D) hearsay.