Answer:
David Popenoe is a sociologist who has written extensively about family structures and their impact on children. He argues that, of the options provided, the family arrangement that he believes is better than any other for children is:
a. two parents (a father and a mother)
Popenoe, like many researchers, has traditionally emphasized the importance of a traditional nuclear family structure with both a mother and a father as the ideal environment for raising children. However, it's important to note that there is ongoing debate and research in the field of family studies, and different experts may have varying opinions on what constitutes the best family arrangement for children. Family dynamics and their impact on children can be complex and may vary depending on numerous factors.
Step-by-step explanation: