What Does the Example of the Pentagon Papers Illustrates About

What does the example of the Pentagon Papers illustrates about the doctrine of prior restraint?

A) The government can easily make a case that the press should not be allowed to publish national security documents while the nation is at war.
B) The courts have been skeptical of the claims of the press, and the government can operate under a presumption of secrecy.
C) Exercising prior restraint requires the government to demonstrate that the publication of documents would damage national security.
D) The Supreme Court prefers to avoid these issues so the legislative and executive branches can resolve the problems.