The Supreme Court in Boumediene V

The Supreme Court in Boumediene v. Bush held that

A) detainees at Guantanamo Bay prison could not use the writ of habeas corpus to attack their confinement because they were not U.S. citizens.
B) detainees at Guantanamo Bay prison could not use the writ of habeas corpus to attack their confinement because they were not being held in the U.S.
C) If the privilege of habeas corpus was to be denied to the detainees, Congress must act in accordance with the requirements of the Suspension Clause.
D) None of the above statements are correct.