Bellin's Which Is and American Oil and Gas Company Located

Bellin's which is and American oil and gas company located in Oklahoma works to control the oil prices in the Saudi Arabian basin with Cliemente, an oil and gas conglomerate owned by the Saudi government. Many Oklahoma and world oil and gas producers complain about this type of collaboration. Is this a violation of law?

A) No, because the Saudi Arabian company would not be subject to Sherman Act violations because it is a foreign government.
B) No, because world oil and gas companies have not right to complain about an American company's actions.
C) Yes, this is a violation of the Sherman Act
D) Yes, this is a Clayton Act violation.
E) This would be a violation if Congress determined there was a violation of an American law.