How could an observer distinguish the home of a rich income from a regular citizen?

A. Homes of the wealthy were made with wood
B. Homes of the wealthy had no trapezoid shapes
C. Home of the wealthy stone roofs roof
D. Home of the wealthy had no mortar

C. Home of the wealthy stone roofs roof

Homes with stone roofs are typically associated with wealth and luxury, as stone is a more expensive and durable material compared to other roofing materials like shingles. This distinction could help an observer distinguish the home of a rich individual from that of a regular citizen.