Which of the Following Descriptions Defines the Family in Its

Which of the following descriptions defines the family in its most common form?

A) a group of people, related by blood, who divide responsibilities, such as child rearing, food provision, and protection
B) a commitment between two adults who pledge faithfulness to each other
C) a mother giving birth to her children and providing food and shelter until the age of 18
D) an enduring commitment between a man and woman who feed, shelter, and nurture their children until they reach maturity