Which of the Following Is One of Oscar Newman's Recommendations

Which of the following is one of Oscar Newman's recommendations for improving the physical security of public housing complexes?

A) Position apartment windows to allow residents to naturally survey the exterior and interior public areas of their living environments.
B) Build high rise housing-above six stories-that enable residents to share close spaces.
C) Keep public housing in areas separate from the rest of the city where police control can be applied more uniformly.
D) Provide large open areas around public housing projects that help identify the projects, themselves.