The highest of all the plateaus in the world is the ___________.
C. Tibetian Plateau
The largest and highest plateau in the world is the Tibetan Plateau, sometimes metaphorically described as the "roof of the world", which is still being formed by the collisions of the Indo-Australian and Eurasian tectonic plates. The Tibetan plateau covers approximately 2,500,000 km2 (970,000 sq mi), at about 5,000 m (16,000 ft) above sea level. The plateau is sufficiently high enough to reverse the Hadley cell convection cycles and to drive the monsoons of India towards the south.