The correct option is C. In the case of Rochin Vs California, Rochin, a suspected narcotic pusher, was induced against his will in the hospital by the police in order to make him vomit the capsules he had swallowed. The supreme court considered this a violation of human right under due process clause of the 14th Amendment.
Most of the African continent is on a high "plateau". Although it is true that African contains the largest desert in the world, the desert itself is not physically "high" in the same sense.