In a hilly area, it was observed that the people have built their houses using stones, mud, lime and wood. These houses have two floors. On the ground floor, they provide space for animals to live and also store necessary things, on the first floor they stay. The roofs of the houses are flat and made of thick tree trunks. This hilly area is a part of

• A. Meghalaya
• B. Himachal Pradesh
• C. Jammu and Kashmir
• D. Arunachal Pradesh