What is cluster housing? 

A)  It is densely-packed temporary housing often found in developing countries. 
B)  It is a high-density housing unit with common, shared open space. 
C)  It is an energy-efficient design of a home. 
D)  It is used to house urban migrants coming from rural areas.

Cluster Housing

A residential development design where homes are built in close proximity to each other, often around shared open space, with the goal of preserving natural environmental features and providing a sense of community.

High-Density

Refers to a high level of mass per unit volume, often used in the context of populations, materials, or data storage.

Common Space

Areas accessible and used by the public or a community, including parks, shared gardens, and public squares.