The correct option is B Huntinge Age
Hunting age was the period in which hunter-gatherer had to catch or find everything they ate. They moved from place to place in search of food. Pastoral age consisted of shepherds herding livestock in open grassland areas, according to the availability of water and pasture. Agricultural age involved improved crop productivity due to the adoption of new farming techniques. The industrial age is attributed to the advent of power driven machines, steam engines, power looms which changed the economic and social condition of humans. Option B Hunting Age is the correct answer, as the most primitive stage.