Final answer:
The central idea of the article is the challenges of providing medical care in urban areas.
Step-by-step explanation:
The central idea of the article is B) The article highlights the challenges of providing medical care in urban areas. The article discusses the poor access to doctors and hospitals in Los Angeles' "South Central" neighborhood and the closure of the King-Drew Medical Center due to shoddy healthcare provision. It emphasizes the struggle to provide quality care, access, and cost control in the healthcare system.