The Nair community of Kerala, Bunt community from Karnataka, Khasi community from Meghalaya all have a common feature among them. Find the correct one from the list below.

A

All of them follow Patrilocal system of descent

B

All of them follow Matrilineal system of descent

C

All of them follow Bilineal system of descent

D

All of them follow Unilineal system of descent