Madeleina Came to Canada with Her Husband and Two Children

Madeleina came to Canada with her husband and two children.After their arrival,they met and befriended a young couple who were very helpful with the children and even lent them money once when they had bills to pay.The husband even shovelled the walk once when Madeleina's husband was ill.The families are so close that they now invite each other to celebrate Christmas,birthdays,and other celebrations during the year.According to the text,how would their relationship be defined?

A) as an immigrant family
B) as a family network
C) as fictive kin
D) as adoption