Justice White, Who Wrote the Opinion for the Court in Branzburg

Justice White, who wrote the opinion for the Court in Branzburg v. Hayes, and Justice Stewart, who dissented, disagreed because:

A) Justice White did not believe that sources would dry up if journalists had no right to promise confidentiality, but Justice Stewart thought sources would dry up
B) Justice White saw the press as strong and hearty while Justice Stewart viewed the press as more vulnerable
C) Justice White thought it would be difficult to define who would get a privilege of confidentiality if one were created, but Justice Stewart disagreed
D) all of the above
E) none of the above