In Trop V Dulles (1958), a Native-Born American, Was Declared to Have

In Trop v. Dulles (1958) , a native-born American, was declared to have lost his United States citizenship and become stateless by reason of his conviction by court-martial for wartime desertion. Which of the below statements is correct regarding the Trop case?

A) Trop was found not guilty of wartime desertion.
B) The punishment Trop received of confinement for life was cruel and unusual.
C) The Supreme Court held that loss of his U.S. citizenship was cruel and unusual.
D) The Supreme Court held that loss of his U.S. citizenship was not cruel and unusual because he was convicted of desertion in the time of war.