Can someone please explain how to get to the answer. I know that the answer is d, but I don't understand how to get to it. Thanks!

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above

Augustus of prima porta connects to the subtheme identity performance cultures power