The correct answer is D) Shield law.
The law that provides members of the press with the right to refuse to testify about who their sources are or how they receive information while gathering or reporting news is Shield law.
Under the Shield law, reporters and journalists of America are protected in case somebody asked them to disclose information about their sources. The law is of the utmost utility for Newspapers and news networks because they can protect their informants in case of sensitive information that could risk the life or the position of the source.