The correct option is C All of the above
Archaeological
excavation of Mehrgarh has revealed that the earliest settlers were
involved in domestication of animals and agriculture. They mainly
cultivated barley and wheat. Many mud - brick structures, which are
compartmented, have been discovered at Mehrgarh. Most likely they were
granaries. During the early period these people used stone
tools. Polished stone - axes, flint blades and pointers have been found
from this site.