The United States Constitution,Fourth Amendment Provides "[T]he Right of the People

The United States Constitution,Fourth Amendment provides "[t]he right of the people to be secure in their persons,houses,papers,and effects,against unreasonable searches and seizures,shall not be violated..." Privacy rights are triggered under the Fourth Amendment:

A) when a corporation has authorized an agent with direct authority to perform an electronic search of an employee's e-mail account.
B) upon issuance of a subpoena duces tecum to bring electronic data (e-mails,files,etc. ) including electronic metadata such as headers,directional information,and other such useful tracking data.
C) when the government is the primary actor.
D) during an archival search of e-mails on a corporation's server.