What Role Did the Clan Play in Arabic Society

What role did the clan play in Arabic society?

A) The clan was an organization of nomadic herders that managed the grazing lands and resolved disputes over water rights.
B) The clan was a merchant guild that resolved commercial disputes and determined which goods would be sent by which caravan expeditions.
C) The clan was a social unit defined by a village and its agricultural hinterland that determined the use of resources in the region.
D) The clan was the basic social unit defined by blood relations through the male line that expected loyalty from its members and, in return, provided protection and support.